A worker walks between railway tracks at the Harbin-Dalian high-speed railway construciton site in Wafangdian District, Dalian City of northeast Liaoning Province, Feb. 23, 2011. As the first high-speed railway in northeast China region, the Harbin-Dalian line, which is under construction, is expected to come online before the end of this year. [Xinhua/Zhang Chunlei]