A staff member at a subway helps a man in a wheelchair ascend the stair at a station on Dec 3, 2010. Barrier free facilities have been greatly improved for people with disabilities in Guangzhou for the upcoming Asiad Para Games. [Photo/Xinhua]

A track for blind people is displayed in a subway station in Guangzhou in this file photo on Sept 2, 2010. About 1,129 kilometers of track for blind people on 41 major streets have been built for the upcoming Asiad Para Games. [Photo/Xinhua]