Photo taken on Feb. 19, shows a sky train running over the Gaoxin Avenue in Optics Valley, Wuhan. The 10.5-km suspended monorail starts from Jiufeng Mountain and ends at Longquan Mountain, connecting Jiufeng National Forest Park, an archaeological site park on Longquan Mountain and other scenic spots on the way. Now, the sky trains are in trial operation.

Editor:Yin Yin