![Elevator on the mountain](../../images/attachement/jpg/site1/20150205/f8bc126d97c4163d092801.jpg)
Elevators are seen on a hillside to facilitate subway and bus riders in Southwest China's Chongqing municipality, Feb 3, 2015. Known as a "Mountain City", Chongqing is constructed on the mountain slopes and along the riversides. [Photo/China News Service]