It is unclear why the Harappans invested in building so many cities along a dying river. If we do not manage today’s rivers sensibly, it is conceivable that future archaeologists will dig up the remains of twenty-first-century cities and wonder the same thing. Meanwhile, the urban cluster at Dholavira expanded significantly. The site had a fortified acropolis and a ‘lower town’. At some point the city was expanded to accommodate the growing population and the old lower town became the ‘middle town’ and the expanded area became the new lower town. A wooden signboard has been found near one of
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