The impressions of a pipal leaf found in the upper clay levels of the drain (shown here with a modern pipal leaf) indicate that what many think was a sacred tree even at that time was growing in the ancient city of Harappa.
The central area of Mound A/AB was continuosly rebuilt in ancient times. Behind the curved wall is a well and below it what may have been a public bathing area.
The foreground well is only one of eight wells, public and private, that have thus far been discovered at Harappa. Most of the water used by the population probably came from the adjacent Ravi River.
A water management system using storm water drainage. The storm water drain in the picture is located in the citadel and connected to an arterial one on the south of the Citadel.
An elaborate sanitary and drainage system, a hallmark of ancient Indus cities, is in evidence everywhere at Lothal.
The most unique aspect of planning during the Indus Valley civilization was the system of underground drainage. The main sewer, 1.5 meters deep and 91 cm across, connected to many north-south and east-west sewers.