A railway worker works in cold weather in Shenyang, capital of northeast China's Liaoning Province, Jan. 14, 2011. Workers of China Railway Electrification Bureau Group accelerated their work to set up power supply and signal transmission system for the Harbin-Dalian high speed railway which would be put into service at the end of 2011. [Xinhua]

Engineering vehicle works in cold weather in Shenyang, capital of northeast China's Liaoning Province, Jan. 14, 2011. Workers of China Railway Electrification Bureau Group accelerated their work to set up power supply and signal transmission system for the Harbin-Dalian high speed railway which would be put into service at the end of 2011. [Xinhua]