The city of Harappa gave the modern
world the first clue that people had lived
in cities in Pakistan and India during the
Bronze Age. Previously, it was thought
that the first cities dated back to only
500BC. The first settlers lived off the
land, keeping farms with animals and
crops. It is thought that towards the end
of the Indus Valley civilisation they made a
lot of trade with the Sumerians who lived
to the west. What is the main
character in this paragraph.