29th century BC in architecture From Wikipedia, the free encyclopedia Buildings Dholavira, a metropolitan city of the Indus Valley civilization, located on Khadir island in the Kachchh District of Gujarat, India. The site was occupied from about 2900 to 2100 BC.[1] References ↑ GOPINATH, P. KRISHNA (2017-07-15). "P. Krishna Gopinath visits Dholavira, a now neglected hub of the Indus Valley civilisation". The Hindu. ISSN 0971-751X. Retrieved 2022-12-10. Related Articles