Environmental control program carried out for poverty alleviation in China's Guangxi

People of Yao ethnic group work to build a canal in Dahua Yao Autonomous County, south China's Guangxi Zhuang Autonomous Region, Aug. 20, 2011. Due to harsh stony desertification, people from dozens of counties and districts in Guangxi had long been poverty stricken. Recent years, a comprehensive environmental control program has been carried out to control stony desertification for poverty alleviation purposes. (Xinhua/Zhang Ailin)