The culture that built cities on mounds was the Chinese
there are approximately 3000 mounds
Researchers are uncertain as to why mounds were built in the shape of birds and snakes. Some theorize that this was because the people who built such mounds had great respect for these creatures.
no: The Effigy Mounds were built in the shape of animals and birds. The Effigy Mounds have conical, linear, or compound shapes.
Norman castles were built on mounds.
The Cahokia Mounds are in Illinois. The Mississippian culture built the mounds sometime between 600–1400 AD.
they built mounds.