In Indus Valley, there were a lot of houses in cities. There was a lot of dry land and rocks. Their homes were made out of sand and water. In the cities, Harappa and Mohenjo-Daro everyone was peaceful with each other.
The Harappan Civilization grew up in Indus valley. It was the best civilization in India. The cities would have indoor plumbing in most houses. In that civilization, they were the first ones to make a writing system.