The Indus Valley Civilisation

From the rise of the great brick cities of Harappa and Mohenjo-daro, with their gridded streets, covered drains and public baths, through a world of seals, standardized weights and long-distance trade with Mesopotamia, to the slow fading of the cities as the rivers shifted. Slide across one of the earliest urban civilisations on earth — vast, orderly and literate, yet still speaking to us in an undeciphered script.