What are done examples of the sophisticated city planning Indus Valley people?

* Both cities were laid out on a grid plan, with wide streets and avenues.

* The architecture was highly developed, with the use of baked bricks and intricate carvings.

* The buildings were constructed with attention to detail, including drainage systems and sanitation facilities.

* The cities were equipped with granaries, warehouses, and other public buildings.

* The populations of Harappa and Mohenjo-Daro are estimated to have been over 50,000 people each.

Other Sophisticated City Planning Examples:

* Dholavira: This city was located on an island in the Rann of Kutch. It was the largest city of the Indus Valley Civilization, and was home to over 80,000 people. Dholavira was laid out on a grid plan, with the city divided into four sections by two main streets. The city was protected by a massive wall, which was over 7 meters high and 3 meters thick.

* Kalibangan: This city was located in the state of Rajasthan. It was also laid out on a grid plan, with the city divided into two sections by a main street. The city was well-equipped with public buildings, including a temple, a granary, and a workshop.

* Lothal: This city was located on the coast of the Gulf of Cambay. It was a major trading center, and was home to a large dockyard. The city was protected by a massive seawall, which was over 8 meters high and 2 meters thick.

The Indus Valley Civilization was one of the most advanced civilizations of its time. The people of this civilization were skilled engineers and architects, and they built some of the most impressive cities in the ancient world.