Photo taken on June 30, 2012 shows a high-speed train leaving Tianjin Railway Station in Tianjin, north China, Dec 5, 2012. China's electric railway mileage has surpassed 48,000 kilometers, ranking first in the world, the China Railway Engineering Corporation Railway Electrification Bureau Group Company. (EEB) said on Dec 4, 2012. Wang Zuoxiang, head of the EEB technology department, said the country started to build electric railways in 1958, and in just over half a century, the mileage has exceeded that of Russia, the former country with the most electric railway mileage. (Xinhua/Yang Baosen)

A high-speed train departs from Tianjin Railway Station in Tianjin, north China, Dec 5, 2012. China's electric railway mileage has surpassed 48,000 kilometers, ranking first in the world, the China Railway Engineering Corporation Railway Electrification Bureau Group Company. (EEB) said on Dec 4, 2012. Wang Zuoxiang, head of the EEB technology department, said the country started to build electric railways in 1958, and in just over half a century, the mileage has exceeded that of Russia, the former country with the most electric railway mileage. (Xinhua/Yang Baosen)