Harappa & Mohenjo-Daro

Harappa:
The buildings were made of mud and unbaked brick
Indus houses had complex plumbing systems. Examples are baths, drains, and water chutes that led into sewers along the streets. A set of weight and measures were used.

Mohenjo-Daro:
The city was laid out in an organized pattern with long, wide main streets and rectangular blocks. The houses were built with baked clay bricks of standard size.