Black-winged sand pipers breeding in E China's Shandong Province

Photo taken on June 23, 2021 shows two black-winged sandpipers chasing each other at a coastal wetland in Chengyang District, Qingdao City, east China's Shandong Province. In summertime, the wetland is abundant with fish and shrimps, attracting flocks of gulls, white-fronted terns and black-winged sandpipers gathering there to forage and breed. (Wang Haibin/Guangming Picture)