HENAN, Aug.7, Xinhua - Yellow River Wetland is a National Natural Reserve with a total area of 68 thousands hectare in Henan Province. It's a bird breeding place with over 41 types of animals under first-grade and second-grade protection at the state level.
A worker scatters foodstuffs, which attracts white and black swans in Yellow River Wetland in Sanmenxia, central China's Henan Province, Jan. 5, 2013. (Xinhua/Wang Song)
A photographer takes photos for two black swans in Luohe, a branch of the Yellow River in Luoyang,central China's Henan Province, Jan. 28, 2014.