Cotton pickers get on the train bound for Urumqi of northwest China's Xinjiang Uygur Autonomous Region, at the railway station in Xi'an, northwest China's Shaanxi Province, on September 4, 2009. [Xinhua]

Cotton pickers wait for the train bound for Urumqi of northwest China's Xinjiang Uygur Autonomous Region, at the railway station in Xi'an, northwest China's Shaanxi Province, on September 4, 2009. [Xinhua]