A bird flies in the Guanshe garden in Wuxi, east China's Jiangsu Province, March 16, 2021.

Aerial photo taken on March 16, 2021 shows a view of the Yingyuan garden by the Donghu Lake in Wuhan, central China's Hubei Province.

Aerial photo taken on March 16, 2021 shows a view of the Shouxihu Lake scenic spot in Yangzhou, east China's Jiangsu Province.

Photo taken on March 16, 2021 shows a view of Jiazhuang Village, Wangjiazhuang Township, Baixiang County, Xingtai of north China's Hebei Province.

Photo taken on March 15, 2021 shows a view of Kecun Village, Yixian County, Huangshan, east China's Anhui Province.

Aerial photo taken on March 16, 2021 shows tourists walking in Huashan Village, Kuzongqiao Township, Hengyang County in Hengyang, central China's Hunan Province.

Visitors take photos in the Xuanwu Lake Park in Nanjing of east China's Jiangsu Province, March 16, 2021.

Photo taken on March 16, 2021 shows people walking by a river in Suzhou, east China's Jiangsu Province.

Photo taken on March 16, 2021 shows a view of the Tashan Park in Guilin of south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on March 16, 2021 shows a view on Jianzhen Road, Yangzhou of east China's Jiangsu Province.

Birds fly in the Longmen Lake scenic spot in Zunhua, Tangshan of north China's Hebei Province, on March 16, 2021.