Children from Shaoyang county of Hunan province arrive at Guangzhou Railway Station in Guangdong province for family reunion with their parents who work in Dongguan City, a labor-intensive city of South China's Guangdong province on July 30, 2010. Sponsored by Shaoyang county government, nineteen left-behind children will live with their parents for three days in Dongguan. There are estimated 200,000 migrant workers from the county and more than 50,000 children are left home accordingly. [Photo/Xinhua]