Migrant workers wait in line to entrain for northwest China's Xinjiang Uygur Autonomous Region at the railway station of Shangqiu, central China's Henan Province, Aug. 17, 2006. The first special train for cotton pickers from Henan to Xinjiang set out on Thursday with about 2,000 migrant workers aboard. [Xinhua Photo]

Laborers wait in queue to get on the train to pick cotton in Xinjiang Uygur Autonomous Region at the railway station of Tianshui, city of northwest China's Gansu Province, Aug. 17, 2006. A total of 72 special trains will be provided to the estimated 260,000 laborers who will go to Xinjiang from Gansu during the cotton harvest season. [Xinhua Photo]