A journalist shoots at a garage of the Changqing depot of Wuhan Subway Line 2 in Wuhan, capital of Central China's Hubei province, in this July 14, 2012 file photo. The Line No 2 is the first subway line of the city, also the first subway line across the Yangtze River. [Photo/Xinhua]

Photo taken on July 14, 2012 shows the Changqing depot of Wuhan Subway Line 2 in Wuhan, capital of central China's Hubei Province. The Line No 2 is the first subway line of the city, also the first subway line across the Yangtze River. [Photo/Xinhua]