In Indus Valley Civilization, Dholavira is famous for which of the following?

Dholavira is an archaeological site of immense importance to India as it is India's most prominent archaeological site associated with the Indus Valley Civilization. It represents the ruins of an ancient city of the Harappan civilization that was inhabited over a period of 1,200 years from 3000 BCE through 1800 BCE. It is famous for water conservation.