Aerial photo taken on July 21, 2020 shows a view of the Chaohu Lake in Hefei City, east China's Anhui Province. Water level at the Zhongmiao hydrological station of Chaohu Lake reached 13.36 meters at 10:24 a.m. Tuesday. (Photos: Xinhua)

Aerial photo taken on July 21, 2020 shows a view of the Chaohu Lake in Hefei City, east China's Anhui Province. Water level at the Zhongmiao hydrological station of Chaohu Lake reached 13.36 meters at 10:24 a.m. Tuesday.

Aerial photo taken on July 21, 2020 shows partially submerged buildings near the Chaohu Lake in Hefei City, east China's Anhui Province. Water level at the Zhongmiao hydrological station of Chaohu Lake reached 13.36 meters at 10:24 a.m. Tuesday.

Aerial photo taken on July 21, 2020 shows partially submerged buildings near the Chaohu Lake in Hefei City, east China's Anhui Province. Water level at the Zhongmiao hydrological station of Chaohu Lake reached 13.36 meters at 10:24 a.m. Tuesday.