JIUJIANG, CHINA - DECEMBER 22: (CHINA OUT) Hundreds of thousands of migratory birds fly on the Poyang Lake on December 22, 2014 in Jiujiang, Jiangxi province of China. Poyang Lake in east China's Jiangxi province welcame the best bird-watching season as hundreds of thousands of migratory birds including cranes, plovers snipes, geese and ducks, swans and so on assembled here to take a shelter from cold winter. (Photo by VCG/VCG via Getty Images)
