Aerial panoramic photo taken on March 13, 2021 shows a view at the Yuantouzhu scenic spot of the Taihu Lake in Wuxi, east China's Jiangsu Province. (Photos: Xinhua)

Photo taken on March 13, 2021 shows a view at the Yuantouzhu scenic spot of the Taihu Lake in Wuxi, east China's Jiangsu Province.

Photo taken on March 13, 2021 shows a view at the Yuantouzhu scenic spot of the Taihu Lake in Wuxi, east China's Jiangsu Province.

Tourists visit the Yuantouzhu scenic spot of the Taihu Lake in Wuxi, east China's Jiangsu Province, March 13, 2021.

Photo taken on March 13, 2021 shows a view at the Yuantouzhu scenic spot of the Taihu Lake in Wuxi, east China's Jiangsu Province.

Aerial photo taken on March 13, 2021 shows cloud-shrouded Jinshanling Great Wall in Luanping County, north China's Hebei Province.

A tourist takes photos at an agricultural park in Sansheng Town of Beibei District, southwest China's Chongqing, March 13, 2021.

People ride bikes along cole flower fields at a wetland park in Liangping District, southwest China's Chongqing, March 13, 2021.