Labor Day travel peak starts (2/6)

Passengers queue to board the train at the Nanchang Railway Station in Nanchang, capital of east China's Jiangxi province, April 30, 2014. The four-day period of Labor Day travel peak began on Wednesday. National railways are expected to receive 36,400,000 passengers from April 30 to May 3, 2014. (Xinhua/Zhou Ke)