the Indus Valley Civilization, which thrived from 2600 to 1900 BCE. Remnants of Harappa's citadel wall, made of mud brick, are still visible, even though many of its bricks were plundered during ...

Farmers in the Indus Valley went on living in their villages ... in India called Charles Masson came across some mysterious brick mounds. He thought they looked like old castles, but didn't ...