TAIYUAN, May 23 (Xinhua) -- Every day as the sun rises, a 66-year-old farmer can be seen setting out with his dog to patrol Yuncheng Salt Lake -- also known as the "Dead Sea of China" -- in the city of Yuncheng, north China's Shanxi Province.
Ma Hongyi, who lives in a village just 200 meters from the lake, still remembers the special day in the winter of 2014 when he first saw two big pink birds wading through t