Members of a dancing team do morning exercises by the Swan Lake in Hefei, capital of east China's Anhui Province, July 24, 2016. Swan Lake is an open metropolitan park which was transformed from once a fish pond at the outskirts of Hefei in 2003. Witnessing the development of the city, the lake has become a landmark and a popular public park for citizens and tourists. (Photo:Xinhua/Guo Chen)
