What are the architectural features of the cities in the lower reaches of the Indus River in Pakistan?

In 3000 BC, in the lower reaches of the Indus River, which is now Pakistan, there was a city called Mohenjodaro, which means "the mountain of death". The city is divided into east and west parts. The middle main road is 7m wide (10m). The west part of the city is a castle built on an artificial platform, with a height of about 10 meter. There is a pool in the center of the northern half of the city, with a length of12m, a width of 7m and a depth of about 2m. It is speculated that it may be a religious sacrificial building. East and north of the swimming pool.