Photo taken on Nov 20, 2019 shows wild gooses flying over a Yellow River wetland in Changyuan city, Central China's Henan province. The wetland has become an ideal transit station and habitat for migrant birds as ecological environment here continues to improve. [Photo/Xinhua]
Photo taken on Nov 20, 2019 shows wild gooses flying over a Yellow River wetland in Changyuan city, Central China's Henan province. [Photo/Xinhua]
Photo taken on Nov 20, 2019 shows wild gooses flying over a Yellow River wetland in Changyuan city, Central China's Henan province. [Photo/Xinhua]