Have you ever wondered about ancient civilizations that seemed to vanish without a trace, leaving behind only tantalizing clues? The video above offers a fascinating journey into the world of the Indus Valley Civilization, a sophisticated culture that thrived 5,000 years ago in what is now Pakistan and Northwest India. This exploration invites us to reconsider what we know about one of humanity’s earliest and most enigmatic societies. For a civilization that developed advanced urban planning, remarkable sanitation, and extensive trade networks, its history remains shrouded in profound mystery.
The Indus Valley Civilization, often abbreviated as IVC, challenges many of our preconceptions about ancient life. Unlike its contemporaries in Egypt and Mesopotamia, which left behind monumental temples and royal tombs, the IVC’s legacy speaks of communal well-being and a unique approach to governance. Let us delve deeper into the origins, innovations, and enduring questions surrounding this extraordinary civilization.
Unearthing the Indus Valley Civilization: A Century of Discovery
The story of the Indus Valley Civilization’s rediscovery is as captivating as the civilization itself. It began inadvertently in 1826 when James Lewis, operating under the alias Charles Masson, stumbled upon curious earthen mounds and brick ruins near Harappa during his travels through Northwest India. Lewis, a deserter from the British East India Company, initially misidentified the site as an ancient Buddhist city from the 4th century BCE. This was a reasonable assumption at the time, given the prevalent historical understanding.
For nearly a century, many visitors, including some trained archaeologists, struggled to grasp the true antiquity of these ruins. The quality of the bricks, for instance, was so exceptional that scholars like D.R. Bhandarkar initially deemed them too sophisticated to be more than 250 years old. Furthermore, these high-quality bricks were systematically repurposed by British railway contractors, inadvertently destroying valuable archaeological layers. Fortunately, a few perceptive archaeologists, such as R.D. Banerji, began to speculate about the site’s much older origins. The true breakthrough arrived in 1921 when the Archaeological Survey of India, under the leadership of John Marshall, initiated a full-scale excavation of the Harappa and Mohenjo-Daro sites. Within just three years, these ambitious projects unveiled a civilization thousands of years older than previously imagined, revealing the immense scope and complexity of the Indus Valley Civilization.
Tracing the Roots: The Mehrgarh Culture and IVC Origins
The Indus Valley Civilization did not simply appear; it evolved from earlier cultures that had already laid crucial groundwork. The story of its origins begins around 7000 BCE with the Mehrgarh culture, located in the mountains of present-day Balochistan. Initially, these were semi-nomadic hunter-gatherers, but by 6500 BCE, they had transitioned to settled farming and domesticated herd animals, marking the earliest evidence of such practices in South Asia. Imagine a community slowly mastering the art of cultivation, turning wild grains into dependable food sources, and domesticating animals for milk, meat, and labor. This was a monumental shift that fundamentally altered human society.
Mehrgarh was not an isolated settlement but a dynamic hub of innovation and trade. For example, archaeologists have uncovered the world’s earliest evidence of dental surgery, utilizing copper drills strikingly similar to those used in bead making. The presence of turquoise beads, lapis lazuli, and carved seashells further suggests a robust long-distance trade network connecting Mehrgarh with Central Asia and the southern coast. Over centuries, Mehrgarh technology advanced significantly, yielding glazed beads, sophisticated ceramics, terracotta figurines, seals, pit kilns, and copper smelting crucibles. These artifacts bore a curious resemblance to those found in distant Mesopotamia, indicating cultural exchange. Waves of Zagrosian hunter-gatherers migrated into the Mehrgarh region around 4500 BCE, mixing with the local populations and introducing new genetic influences while maintaining remarkable cultural continuity.
However, environmental pressures ultimately forced a relocation. As the monsoon shifted south and Balochistan became increasingly arid, the people of Mehrgarh sought more fertile lands. This led them to the rich lowlands of the Indus River, beginning around 3300 BCE. Settling on a floodplain, much like early civilizations in Egypt, Mesopotamia, and China, proved to be a turning point. Floodplains, with their seasonal inundations, naturally replenish soil nutrients, creating incredibly fertile and irrigated land. This surge in agricultural productivity led to abundant food surpluses, which in turn fueled population growth, specialized labor, large-scale trade, and eventually, the rise of centralized authority and urbanization. This transformative process gave birth to the magnificent Indus Valley Civilization. Early proto-cities like Harappa, Nausharo, Kot Diji, and Dholavira emerged, evolving into major urban centers. Dholavira, for instance, exhibits early water management systems, including reservoirs and distribution channels, alongside motif-carved seals that hint at the development of an advanced administration. By its mature period, the IVC had fully taken shape, characterized by increasingly complex urban planning, intricate architecture, sophisticated social organization, and expansive long-distance trade, marking its flourishing Golden Age.
Advanced Urban Planning and Ingenious Infrastructure
The Indus Valley Civilization distinguished itself from its contemporaries through an unparalleled focus on urban design and public services. While Egyptians built pyramids and Mesopotamians developed cuneiform, the people of the Indus prioritized meticulously planned cities, advanced sanitation, smart governance, and extensive maritime trade. In many respects, the IVC was profoundly ahead of its time, showcasing a pragmatic and systematic approach to urban living.
Masterful City Layouts
Indus cities were renowned for their modern, grid-like design, a feature that sets them apart from many other ancient urban centers. Streets wide and straight, crisscrossing at precise right angles, were the norm. This level of meticulous town planning was applied to all settlements, regardless of size. Most larger cities, such as Mohenjo-Daro and Harappa, typically featured two distinct zones: a raised citadel complex and a lower city. Dholavira offered a unique three-zone layout, incorporating a citadel, a mid-city, and a lower city. Smaller urban centers, like Lothal, streamlined this, combining both the citadel and the main city into a single distinct zone. Imagine a modern city today, meticulously laid out with uniform blocks and clear pathways, and then realize this was standard practice thousands of years ago in the Indus Valley Civilization.
Buildings were primarily constructed using sundried and kiln-fired bricks, with stone often used for foundations. A striking testament to their standardization was the consistent brick sizing ratio of 4:2:1. This precise ratio was maintained across thousands of square miles and among a population estimated to be over 5 million people. This level of uniformity in construction materials, sustained across such a vast area, underscores a sophisticated system of quality control and shared building practices. However, practical design did not preclude aesthetics. Houses were built around airy, light-soaked courtyards, which served as central gathering spaces and provided essential ventilation for dealing with the region’s intense heat. Doors and windows, often made of wood, were frequently painted or carved with decorative motifs and fitted with grills for both light and security. Carved alabaster and marble latticework, believed to have been set into walls for display, further enhanced the architectural beauty.
Pioneering Sanitation and Water Management
What truly set the Indus Valley Civilization apart was its revolutionary approach to sanitation and water management. Regularized sanitation systems were a hallmark of IVC cities. Every house, regardless of its size or the social status of its inhabitants, was connected to an extensive network of covered sewers and drainage systems. Private bathtubs and even the world’s first known flush toilets were integrated into these sophisticated systems. These clay toilet pots featured a hole at the bottom, allowing waste to be flushed into the city’s drainage network with flowing water. This meant that the average Indus household enjoyed a level of hygiene that would not become common in European cities for thousands of years. Public sanitation facilities were also prevalent, with Mohenjo-Daro’s Great Bath standing as a monumental example. This large-scale, waterproof structure, lined with bitumen-coated bricks and featuring stairs descending into the pool, was likely used for communal bathing and religious rituals. It demonstrates an advanced understanding of engineering and public health.
Beyond sanitation, water management was critical for the Indus people. Mohenjo-Daro boasted over 700 wells, providing ample fresh water to its residents. Harappa, in contrast, combined wells with a massive central tank. Dholavira, situated in a more arid region, adopted a different strategy, relying on river dams and stone-lined reservoirs to collect and conserve precious water. The IVC port of Lothal is home to the world’s oldest dockyard, an engineering marvel with a lock gate system. This system meticulously managed the flow of tidal water, prevented silt accumulation, and ensured smooth cargo operations. Furthermore, the dockyard was seamlessly integrated with the city’s drainage system, providing crucial protection against monsoon floods. Such sophisticated engineering, developed over 4,000 years ago, highlights an ingenuity that many modern cities still strive to replicate.
Daily Life, Leisure, and Aesthetic Traditions in the IVC
Life in the Indus Valley Civilization was not solely focused on engineering and trade; it also included a rich tapestry of daily routines, leisure activities, and vibrant aesthetic expressions. The archaeological record provides fascinating glimpses into how the people of the Indus lived, ate, played, and adorned themselves.
Food, Drink, and Games
Indus inhabitants enjoyed a varied diet, cultivating ingredients like sesame and barley, which remain staples in South Asian cuisine today. Imagine eating tilgul or chikki, popular snacks in modern India, and knowing their roots trace back thousands of years to the Indus Valley. The IVC also had a local brewing tradition, evidenced by perforated filter pots showing traces of fermentation. Some excavated pots even resemble distillation devices, suggesting the refinement of alcohol centuries before other civilizations. This implies a society that appreciated both nourishment and indulgence.
Leisure was also an important aspect of life. The people of the Indus were surprisingly playful, with games of strategy and chance popular among adults. Archaeologists have unearthed cubical dice with detailed markings, remarkably similar to those described in the ancient Indian epic Mahabharata, pointing to a deep and continuous gaming tradition in South Asia. Game boards and carved game pieces indicate structured strategy games with complex rules and tactics. A particular game board found at Lothal is believed by scholars to be an early version of Chaturanga, an ancestor of modern chess. Beyond adult games, numerous children’s toys have been discovered at various IVC sites, including miniature carts, animal figures, and whistles. These findings underscore that despite their industrious nature, the people of the Indus knew how to relax, entertain themselves, and foster a sense of community through play.
Fashion, Textiles, and Craftsmanship
The Indus Valley Civilization was also a hub of luxury fashion, exquisite crafts, and a sophisticated aesthetic culture. While terracotta pottery and sculpture were significant, textiles played a crucial role. Terracotta figurines and sculptures provide valuable clues about IVC clothing, which strikingly resembles modern-day saris and dhotis. Most remarkably, the people of the Indus were the first in the world to weave cotton, hand-spinning its fibers into fine, breathable fabrics ideally suited for a warm climate. These high-quality cotton textiles were in such demand that the IVC exported them in large quantities to foreign markets, demonstrating their advanced textile technology.
Jewelry formed another major component of their aesthetic culture. Archaeologists have uncovered vast quantities of bangles, pendants, rings, and earrings, worn by both men and women. The scale of this craft industry is astounding; literally hundreds of thousands of bangles have been excavated from various IVC sites. This indicates that such adornments were not exclusive to the elite but widely accessible. Bead-making workshops were common, employing advanced techniques such as earnestite drilling and heat glazing. Metalworking also reached a high level, although metal scarcity had an impact. Bronze, an alloy of copper and tin, was rarer and more expensive because tin had to be imported from Central Asia, while copper was locally mined. This scarcity made bronze items precious commodities. This thriving craft economy was largely supported by a crucial agricultural innovation: double-cropping. The IVC was the first known culture globally to practice double-cropping, which created massive food surpluses. These surpluses, in turn, sustained specialized labor, full-time artisans, and a prosperous class of merchants.
Vast Trade Networks and Global Connections
Had there been an “ease of doing business” ranking in the 3rd millennium BCE, the Indus Valley Civilization would undoubtedly have been a top contender. Trade within the IVC was not merely active; it was exceptionally organized, efficient, and expansive, extending across Central Asia and West Asia, forming a vast interconnected economic network. This sophisticated system allowed for the movement of goods, ideas, and even people across impressive distances.
Tools of Trade and Maritime Prowess
To manage this extensive trade, the IVC developed innovative tools for identification and control. Their distinctive carved seals, often depicting animals such as bulls, elephants, or mythical unicorn-like creatures, likely served as commercial signatures. Pressed into clay or wax, these seals could mark ownership, identify traders, or even represent affiliations with powerful merchant guilds. Many scholars believe these seals functioned as early logos or stamps, essential for tracking goods and verifying senders. Some seals were used to secure cords or sacks; an intact seal upon arrival would signify that the package had not been tampered with during transit. Furthermore, the people of the Indus utilized a binary weighing system, based on precise doubling and halving units, which allowed for remarkable accuracy and standardization. These weights closely corresponded to those found in Mesopotamia and Arabia, facilitating seamless commerce across great distances.
Beyond land routes, the people of the Indus were skilled seafarers. Clay tablets and stone seals from Mohenjo-Daro depict flat-bottomed riverboats equipped with covered deck cabins. More advanced models of ocean-going vessels, complete with masts, sails, and steering oars, have been discovered at Lothal. These robust maritime capabilities were essential for conducting high-volume trade with distant partners, notably the Mesopotamians and Arabians.
Indus Connections with Arabia and Mesopotamia
The historical record offers intriguing insights into these international connections. The IVC extended its Gulf trade networks deep into Southeast Arabia, forging particularly strong ties with the Umm an-Nar culture. Indus artifacts have been found not only at coastal sites but also at inland locations like Salut and Bisya. Compelling evidence suggests that Indus merchants and craftsmen resided for extended periods, perhaps even permanently, in Arabia. The discovery of Indus-style cookware and children’s toys indicates the relocation of entire families, not just seasonal traders. Moreover, Indus seals and beads found in these areas were crafted from local materials, implying that they were produced by IVC expatriates living in Arabia. It is noteworthy that the homes of Indus people in Arabia are often found near those of local elites, suggesting they wielded significant influence.
The connection with Mesopotamia is equally compelling. Mesopotamian cuneiform writings refer to the people of the Indus as “Meluhhans.” This trade was so extensive that Meluhhans lived and worked in Mesopotamian lands in various capacities. Cuneiform tablets describe a Meluhhan settlement, Guabba, located near the city of Ur, known for its distinct Meluhhan-style granaries, gardens, and temples. A truly remarkable discovery is a seal from around 2000 BCE that mentions a Mesopotamian judge, Shu-ilishu, who also served as a translator of the Meluhhan language. This implies a substantial presence of Meluhhans in the region, necessitating dedicated translators. This cultural exchange was not one-sided; foreign traders from Mesopotamia, Arabia, Egypt, and Central Asia also lived in IVC cities like Lothal, often in special quarters. Such trade also brought external cultural influences to the IVC, as exemplified by several Indus seals that appear to depict a scene from the Epic of Gilgamesh, indicating that Mesopotamian stories traveled across the sea and permeated the IVC heartland.
Rethinking Indus Valley Civilization Mysteries
Despite the wealth of archaeological discoveries, much about the Indus Valley Civilization remains deeply mysterious. The primary challenge is that the Indus script, found on thousands of seals, has yet to be deciphered. Without this key, many aspects of their society, beliefs, and governance remain open to speculation. However, distinguishing between reasonable and unreasonable speculation is crucial. Early Indus scholarship was often marred by presumptive biases, leading to popular narratives that continue to influence perceptions even today.
For instance, when archaeologists unearthed the red jasper sculpture at Harappa, John Marshall, a key figure in the IVC’s excavation, was reportedly stunned by its refinement and lifelike detail. He opined that the statue must have been Greek, a clear example of projecting external biases onto an ancient Indian artifact. Similarly, the famous bronze figure known as the “Dancing Girl” received its moniker purely on Marshall’s subjective feeling that she looked “cheeky” and exuded confidence, rather than on any scholarly basis. The “Priest-King” figure was also named on a whim by Marshall and Wheeler, based on their perception of a respectable leader. Such naming conventions, devoid of scientific evidence, have created enduring narratives that might not accurately reflect the Indus Valley Civilization.
Mystery #1: Was the IVC an Egalitarian Society?
The IVC is often considered unique among ancient civilizations for not expending resources on grand palaces, royal tombs, or other monumental structures associated with overt displays of power. The initial absence of clear signs of a ruling class led some early scholars to believe the IVC was an unusually egalitarian society, even a “communist utopia.” However, this view is overly simplistic and largely incorrect. Later excavations revealed multi-story luxury houses, indicating a degree of social stratification. Moreover, the uniform urban planning, standardized measurements, and large-scale food distribution systems could not have been achieved without some form of centralized authority. Imagine trying to coordinate a city-wide drainage system or enforce consistent brick sizes across millions of people without a governing body. These realities, coupled with the highly organized and regulated long-distance commerce, have led to speculation that the IVC might have been governed by a collective of powerful merchant lords. These merchants, having immense economic influence, could have collectively managed the complex logistical and administrative needs of the civilization.
However, the presence of influential merchant lords does not necessarily preclude the existence of an Indus king or kings, albeit perhaps with a different role than the autocratic god-kings of Egypt. A Mesopotamian inscription describing a revolt against Naram-sin mentions “Ibra, man of Meluhha” among a list of rebel kings. This not only implies the existence of an Indus king but also suggests a form of kingship that was possibly more akin to a “first citizen executive,” accountable to powerful clans and merchant associations. Furthermore, while no obvious palaces have been found, scholar Upinder Singh suggests that some Indus citadel buildings could have functioned as palaces, even if their appearance differs from what modern viewers might expect. This suggests a subtle, perhaps less ostentatious, form of leadership rather than a complete absence of it.
Mystery #2: Was the IVC a Peaceful Society?
The dominant narrative often portrays the Indus Valley Civilization as an exceptionally peaceful society, one that supposedly avoided conflict for 1,600 years – no conquests, no rebellions, not even defensive wars. This vision, championed by historians like Jonathan Kenoyer, suggests that the Indus people had no reason to fight due to abundant resources, resolving any conflicts through trade and diplomacy. City walls, according to this theory, were merely for protection against floods and wild animals, and the IVC was too isolated to be invaded anyway. However, this interpretation faces considerable challenges from both logic and archaeological evidence.
Firstly, the claim that no weapons of war have been found is inaccurate. Earliest excavations at Harappa and Mohenjo-Daro revealed significant quantities of maces, daggers, bows, arrows, axes, and spears, which John Marshall himself categorized as “weapons of offense.” These weapons even feature in Indus art, such as a cylinder seal from Kalibangan depicting Indus warriors spearing each other. Secondly, even if the IVC was resource-rich, any wealthy and particularly peaceful region would inevitably attract invaders. Kenoyer’s assertion of isolation is also flawed. Long-distance warfare was not uncommon in the ancient world, and inscriptions describe Mesopotamians conquering an Indus city and even fighting Indus warriors in distant Parahsum. A direct invasion line through Elam and Parahsum into IVC territory suggests that the westernmost ports of the Indus Valley Civilization would have been valuable and accessible targets for Mesopotamian conquerors. Furthermore, studies of IVC skeletons reveal significantly higher rates of cranial injuries compared to later periods, strongly indicating regular, large-scale violence. Finally, the idea that city walls were not for defense is difficult to sustain. Indus cities did possess extensive, multi-layered fortifications, with some citadel walls measuring an astonishing 18 meters in thickness. While anti-flooding structures exist, their engineering differs significantly, and 18-meter-thick walls are excessive for merely deterring wild animals. The discovery of defensive watchtowers at Mohenjo-Daro further strengthens the case for military fortifications. In contemporary Elam and Parahsum, city walls served a clear defensive purpose; it is improbable they would suddenly lose this function in the IVC. The upgrading of citadel defenses at Surkotada after a disastrous fire suggests that the fire might have been caused by an organized attack, reinforcing the defensive utility of these walls. Therefore, the notion of a purely peaceful Indus Valley Civilization appears to be a historical oversimplification.
Mystery #3: Who Did They Worship?
Among all the enduring mysteries of the Indus Valley Civilization, its religious life remains one of the most elusive, largely due to the undeciphered script. Archaeologists must rely solely on clues gleaned from seals, figurines, and architectural structures. What has been found offers fascinating, albeit ambiguous, insights: ritual fire altars, the ubiquitous swastika symbol, numerous fertility goddesses, carved seals etched with symbols of nature, and public baths likely used for religious purification. The absence of grand temples and an obvious priestly class has led some scholars to interpret this as evidence of animism, a belief system where spirits inhabit natural objects and phenomena.
One artifact, however, stands out: the Pashupati seal. This seal depicts a multi-headed horned figure seated in a yogic cross-legged pose, surrounded by various animals. Scholars like Asko Parpola have suggested it represents an early form of the Hindu deity Shiva, specifically as ‘Pashupati’ or ‘Lord of Animals’. However, caution is warranted, as it is not definitively clear if the figure is divine or symbolic. The existence of many such Pashupati seals underscores the importance of this multi-headed horned figure, whether human or divine. Projecting later traditions onto ancient cultures can be misleading and ahistorical, hence the emphasis on cautious interpretation. That being said, the shared religious elements between the IVC and later Vedic Hindu traditions are undeniably compelling. Purification by water, the ritual use of fire, the sacred swastika symbol, and a profound reverence for nature are all prominent features in both. Whether these Indus elements were directly transformed and integrated into the subsequent Vedic tradition remains an intriguing and open question, inviting further research and debate.
The Decline and Transformation of the Indus Valley Civilization
After the initial discovery of Harappa and Mohenjo-Daro, historians wrestled with how such an advanced culture could simply vanish and be forgotten by successive civilizations. Early theories often posited a catastrophic destruction as the only explanation for this “historical erasure.” This led to the widely popular, but ultimately flawed, Aryan Invasion Theory, championed by figures like Max Muller and Mortimer Wheeler. This theory suggested that a “race” of Indo-European warriors, the Aryans, swept into the subcontinent, brutally conquered the native populations, and built a new society on the ruins of the old. This narrative, unfortunately, conveniently fit into colonial fantasies of racial superiority, allowing the British to portray themselves as new “Aryans” continuing an ancient tradition of foreign, civilizing conquerors. For decades, this theory dominated textbooks and popular histories, despite its glaring inaccuracies.
Debunking the Aryan Invasion Theory
There are several critical problems with the Aryan Invasion Theory. Firstly, archaeological evidence shows no indications of a catastrophic war that would devastate an entire civilization. Secondly, genetic studies have found no evidence of a significant genetic shift or a distinct “Aryan race” migrating into India during this era. In fact, the Rigveda, the oldest Sanskrit text, refers to “Arya” as a term for “learned noble,” not a racial designation. Furthermore, there is no sharp break in the material culture following the IVC’s decline, suggesting a continuity rather than an abrupt replacement. The evidence overwhelmingly points away from a foreign invasion as the cause of the Indus Valley Civilization’s downfall.
Climate Change and Economic Collapse
Ironically, the very abundance provided by the Indus and Sarasvati rivers, which fueled the IVC’s rise, also played a central role in its decline. Starting around 3300 BCE, these rivers were the lifeblood of Indus agriculture, cities, and trade. However, around 1900 BCE, a dramatic environmental shift occurred: the monsoon patterns changed, rivers altered their courses, and many dried up. This led to severe crop yield failures and widespread food shortages, throwing the cities of the Indus Valley Civilization into chaos. Imagine the impact of losing your primary water source and the subsequent famine that would engulf a densely populated urban center.
Environmental stress alone was not the sole factor. Major trade partners, such as Mesopotamia, also experienced their own internal turmoil, causing the vast economic networks that connected the Indus to the world to crumble. The disruption of this critical trade had a devastating impact on Indus cities. Street grids became irregular, buildings diminished in size and quality, and public administration broke down as essential services like sewage and waste management failed, leaving streets flooded with waste and piled with garbage. Racked by food shortages and a collapsing economy, the remaining urban residents faced desperate circumstances. Archaeologists have discovered skeletons in late IVC cities showing signs of violent trauma, but these were not from a foreign invasion. Instead, they hint at local conflicts and internal strife, perhaps fights between starving citizens, or raids from neighboring hill tribes. Urban Indus society fractured under these immense pressures, leading people to ruralize and disperse.
Many migrated eastward into the fertile Gangetic Plain, while others moved south into the Deccan Plateau. Interestingly, modern-day Deccan clans, such as the Reddys, still show significant genetic links to the IVC population, highlighting a direct line of descent. New regional cultures emerged from these migrations, inheriting fragments of older Indus traditions, including agricultural practices, urban designs, and craft techniques. However, over time, these elements transformed and adapted to new circumstances. For example, the post-IVC successor cultures lacked the wealth or population density to maintain sophisticated sewer systems, leading to a discontinuity in sanitation management. Circumstances demanded adaptation, and so it was for many other aspects of Indus Valley Civilization culture. Thus, the IVC did not disappear with a sudden collapse, but rather through a slow erasure and profound transformation over centuries, with its legacy quietly woven into the fabric of subsequent South Asian societies.
Unearthing Your Indus Valley Queries
What was the Indus Valley Civilization?
The Indus Valley Civilization (IVC) was an advanced culture that thrived about 5,000 years ago in ancient India, known for its meticulously planned cities and unique societal structure.
Where was the Indus Valley Civilization located?
It was located in what is now modern-day Pakistan and Northwest India, primarily along the Indus River.
What made Indus Valley cities so advanced?
Indus Valley cities were remarkable for their grid-like street layouts, standardized brick construction, and pioneering sanitation systems, including covered sewers and private bathrooms in many homes.
Why did the Indus Valley Civilization decline?
Its decline was caused by environmental changes, such as shifting monsoon patterns and drying rivers, combined with the collapse of its extensive trade networks, leading to food shortages and people dispersing.
