Aerial photo taken on Dec. 30, 2020 shows the winter scenery of the Donghu Lake, a downtown lake stretching over 30 square kilometers in Wuhan, central China's Hubei Province. (Xinhua/Du Huaju)

Aerial photo taken on Dec. 30, 2020 shows the winter scenery of the Donghu Lake, a downtown lake stretching over 30 square kilometers in Wuhan, central China's Hubei Province. (Xinhua/Du Huaju)

Aerial photo taken on Dec. 30, 2020 shows the winter scenery of the Donghu Lake, a downtown lake stretching over 30 square kilometers in Wuhan, central China's Hubei Province. (Xinhua/Du Huaju)

Aerial photo taken on Dec. 30, 2020 shows the winter scenery of the Donghu Lake, a downtown lake stretching over 30 square kilometers in Wuhan, central China's Hubei Province. (Xinhua/Du Huaju)