2600 BC. On the banks of the Indus River, in what is today the Pakistani province of Sindh, a city was founded on virgin soil: Mohenjo-daro. It remained there for 700 years.83 The city is considered the greatest expression of a new form of society that flourished in the valley of the Indus at the time; a form of society which archaeologists have come to know simply as the ‘Indus’ or ‘Harappan’ civilization. It was South Asia’s first urban culture.