Aerial photo taken on March 13, 2020 shows spring scenery of Slender West Lake in Yangzhou, east China's Zhejiang Province. Photo:Xinhua

Aerial photo taken on March 13, 2020 shows farmers driving agricultural machineries in the field in Xianning City, central China's Hubei Province.Photo:Xinhua

Photo taken on March 13, 2020 shows spring scenery in Bijie City, southwest China's Guizhou Province. Photo:Xinhua

Photo taken on March 13, 2020 shows spring scenery of Huqiu scenic spot in Suzhou, east China's Jiangsu Province.Photo:Xinhua