Hasankeyf
Hasankeyf is an ancient town and district located along the Tigris River in the Batman Province in southeastern Turkey. It was declared a natural conservation area by Turkey in 1981.
Despite local and international objections, the city and its archaeological sites have been flooded as part of the Ilısu Dam project. By 1 April 2020, water levels reached an elevation of 498.2m, covering the whole town.