What are two of the great building achivements of the Indus River Valley?

http://en.wikipedia.org/wiki/Tarbela_Dam

http://www.harappa.com/bremner/al4.html

Two of the great building achievements of the Indus River Valley are the Tarbela Dam and the ancient city of Harappa.

1. Tarbela Dam: The Tarbela Dam is a major hydroelectric dam located on the Indus River in Pakistan. It is one of the largest earth-filled dams in the world and was built to provide irrigation water and electricity to the surrounding areas. To learn more about the Tarbela Dam and its significance, you can visit the following link: http://en.wikipedia.org/wiki/Tarbela_Dam

2. Harappa: Harappa is an ancient city located in the Punjab region of Pakistan. It was part of the Indus Valley Civilization, which was one of the world's earliest urban civilizations. The city of Harappa was well-planned, with organized streets, a drainage system, and buildings constructed out of kiln-fired bricks. To gain a deeper understanding of Harappa and its historical significance, you can explore the following link: http://www.harappa.com/bremner/al4.html