The world largest dam made of mud is ______?

The world largest dam made of mud is ______?

مٹی سے بنا دنیا کا سب سے بڑا ڈیم ______ ہے؟
Explanation

Tarbela Dam is located in Pakistan. 

Tarbela Dam is the world's largest fill-type dam.

It is built over the River Indus near the small town of Tarbela in the Haripur District of the country.