The Indus cities were planned, drained and standardised more than four thousand years ago, and the subcontinent's later empires, faiths and sciences shaped half of Asia. These articles begin with the Indus Valley and follow the region's cities and rulers.
The mature Indus (Harappan) cities of ~2500 BC had a bathroom and toilet in nearly every home, covered street sewers, and inspection manholes — sanitation Europe would not match until the 19th century.
The Indus (Harappan) civilization was the widest and cleanest of the three great Bronze Age civilizations, yet — unlike Egypt and Mesopotamia — it left almost no grand palace, royal tomb, or king monument, leaving its power structure a mystery.