Xu Weilong introduces a flight simulator at his aerospace exhibition hall in Shijiazhuang, capital of north China's Hebei Province, May 1, 2015. The 45-year-old Xu Weilong is a space enthusiast in Shijiazhuang. In 2014 he build an aerospace exhibition hall of his own at an abandoned factory in rural Shijiazhuang and opened it for free to the public. Items on display at Xu's exhibition hall include a complete set of aircraft instrumentation engine system, spacesuit and experience tank of the Shenzhou spacecraft etc. (Photo: Xinhua/Wang Xiao)
