The Indus River Valley civilization, which built the city of Mohenjo Daro (shown here), arose in what is now Pakistan about 4,500 years ago. Mohenjo Daro and its sister city, Harappa, each had some 40,000 residents at their peak in 2500 B.C.
The Swastika Its use in India dates back to the Indus Valley Civilization city of Harappa, and came to represent Vishnu in Hinduism. In Chinese Taoism, the swastika is a symbol of eternity. For Tibetan Buddhism, it is emblematic of the element of Earth. It is a common practice for Hindus to draw Swastika symbols on the doors and entrances to their houses during festivals, which is believed to symbolize an invitation to goddess Lakshmi.
The Great Bath at Mohenjo-daro-Indus Valley is obviously the earliest public water tank in the ancient world. Most scholars agree that this tank would have been used for special religious functions where water was used to purify and renew the well being of the bathers.