The Indus Valley Civilisation was one of the world's earliest and most advanced urban societies, flourishing over 4,000 years ago across what is now Pakistan and northwest India. Its cities were meticulously planned, its engineering astonishingly sophisticated, and its people remarkably organised.

And then, without a clear explanation, it declined.

In this episode of Compact Mysteries, we explore the rise and disappearance of the Indus Valley Civilisation. We look at its major cities, its undeciphered script, its relationship with climate and trade, and the competing theories that attempt to explain why a civilisation of this scale faded without leaving behind clear answers.

Was it climate change, shifting rivers, economic collapse, or something more complex? And why does the mystery still resist resolution today?

🎧 Listen now and explore one of history's greatest unsolved disappearances.

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