Photo taken on July 19 shows the transfer station of Line 10 and the Olympic Branch Line. Beijing opened three new subway lines on Saturday morning to ease traffic during the Olympic Games. (Xinhua Photo)

Passengers walk in the porcelain-decorated Beitucheng Station of the subway Olympic Branch Line in Beijing, China, July 19, 2008. (Xinhua Photo)

Passengers walk in the passage to Dongzhimen Station of the Airport Line in Beijing, China, July 19, 2008. (Xinhua Photo)

Passengers are seen in the carriages of the subway train of Line 10 in Beijing, China, July 19, 2008. (Xinhua Photo)

Passengers are ready to take the subway train of the Airport Line at T3 Terminal of Capital International Airport in Beijing, China, July 19, 2008. (Xinhua Photo)

Photo taken on July 19 shows ceiling of the transfer station of Line 10 and the Olympic Branch Line.(Xinhua Photo)

Photo taken on July 19 shows the transfer station of Line 10 and the Olympic Branch Line. (Xinhua Photo)