A worker stands on top of a historic building which partially collapsed due to continuous rain in the Old City of Sanaa, Yemen, on Aug. 9, 2020. Rains and flash floods in Yemen completely destroyed four buildings and damaged 30 others in the United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage site of the Old City of Sanaa, residents told Xinhua on Sunday. (Photo by Mohammed Mohammed/Xinhua)
