Citizens walk on Huaihe Road in Hefei, east China's Anhui Province, Oct. 1, 2021.Photo:Xinhua

People read books at the Wormhole Library in the Haikou Bay in Haikou, south China's Hainan Province, Oct. 1, 2021. Photo:Xinhua

Citizens walk on the Huaihe Road in Hefei, east China's Anhui Province, Oct. 1, 2021.Photo:Xinhua

Aerial photo taken on Oct. 1, 2021 shows people enjoying leisure time at Nanhu scenic area in Tangshan, north China's Hebei Province.Photo:Xinhua