India and the Far East
During the century between 2600 and 2500 B.C. society went through a massive upheaval that
produced what archaeologists call the Mature Harappan culture. This culture was based on city life, and archaeologists have discovered five major cities in the Indus region. Mohenjodaro in Sind was the largest of them, while the city of Harappa in Punjab was nearly as large-each city held as many as 50,000 or more people. The other three cities were about half this size. In many ways these cities were larger versions of Early Harappan towns. Each city had several sectionseach section was surrounded by a wall, and some were built on huge brick platforms. Some city sections contained residential neighborhoods, and others held government buildings.