A train steward sings for passengers on the train from Beijing, capital of China, to Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Jan. 20, 2009. The 40-day travel peak around the Spring Festival holidays began on Jan. 11, during which some 2.32 billion trips are expected to take place for the Chinese lunar New Year starting from Jan. 26. [Wang Peng/Xinhua]