Indus Valley Civilisation

Indus Valley is a well-planned city with an efficent government. As this government provided people with shelter against foriegn enemies. A complex drainage system n food stored for comsumption. The 1st image shows the Citadel which people in Indus Valley could take shelter if an enemy attacked the city.

The 2nd image shows Mohenjo-daro world's first complex underground drainage system. Some drains brought water to house n some carried waste away. See how complex it is?? N the drainage system was build 4000 yrs ago!!!