CHENGDU, Sept. 13 -- On September 11, a regiment of the air force under the PLA Western Theater Command dispatched a helicopter to transport three experts to the epicenter, Wandong Village, Detuo Town in Luding County, southwest China's Sichuan Province for post-earthquake geological disaster survey. Since the Wandong Village is sandwiched by mountains and there isn't a relatively flat ground for landing, the helicopter landed on the roof of a dilapidated building with a single wheel to ensure that the experts could reach the ground safely.
