Wild ducks fly over a wetland at Minjiang river estuary in Fuzhou of southeast China's Fujian Province, March 9, 2017. A high speed rail connecting Hefei of east China's Anhui Province and Fuzhou of southeast China's Fujian Province not only benefited regional transportation, but also helped bird watching communities to enjoy the ecological diversity of birds along the line. (Xinhua/Mei Yongcun)
