A flash mob appears to celebrate the one-month anniversary of the operation of Hefei-Fuzhou high-speed rail on a square of the Wuyishan North Station in Wuyishan City, east China's Fujian Province, July 28, 2015. The high-speed rail has brought an increasing number of tourists to Wuyishan, which is famous for its scenery. (Xinhua/Zhang Guojun)