Migrant birds rest on the remaining ice on the Xingkai Lake, border lake between China and Russia, in northeast China's Heilongjiang Province, March 27, 2017. (Xinhua/Wang Jianwei)
Migrant birds rest on the remaining ice on the Xingkai Lake, border lake between China and Russia, in northeast China's Heilongjiang Province, March 27, 2017. (Xinhua/Wang Jianwei)