A train staff member tells passengers about safety items with a speaker on a train to send migrant workers to Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at Longxi Railway Station in Longxi County, northwest China's Gansu Province, Feb. 26, 2013. Many migrant workers started their journey to work away home after the Chinese Spring Festival holidays. (Xinhua/Nie Jianjiang)