Aerial photo taken on March 16, 2018 shows a water tank at a middle school of Dahua Yao Autonomous County, south China's Guangxi Zhuang Autonomous Region. In the region, nearly half of poverty-stricken people live in areas with stony desertification which caused severe drinking water shortage. During China's 13th Five-Year Plan (2016-2020) period, local authorities have stepped up the constructions of water conservancy facilities, helping ease water shortage and providing safe drinking water for the locals. (Xinhua/Lu Boan)

　　Aerial photo taken on Oct. 16, 2019 shows family water tanks in Dahua Yao Autonomous County, south China's Guangxi Zhuang Autonomous Region. In the region, nearly half of poverty-stricken people live in areas with stony desertification which caused severe drinking water shortage. During China's 13th Five-Year Plan (2016-2020) period, local authorities have stepped up the constructions of water conservancy facilities, helping ease water shortage and providing safe drinking water for the locals. (Xinhua/Cao Yiming)

　　Photo taken on Oct. 16, 2019 shows a water purifier in Long'an County, south China's Guangxi Zhuang Autonomous Region. In the region, nearly half of poverty-stricken people live in areas with stony desertification which caused severe drinking water shortage. During China's 13th Five-Year Plan (2016-2020) period, local authorities have stepped up the constructions of water conservancy facilities, helping ease water shortage and providing safe drinking water for the locals. (Xinhua/Cao Yiming)

　　Villagers build a water tank in Yao Autonomous County of Du'an, south China's Guangxi Zhuang Autonomous Region, March 17, 2020. In the region, nearly half of poverty-stricken people live in areas with stony desertification which caused severe drinking water shortage. During China's 13th Five-Year Plan (2016-2020) period, local authorities have stepped up the constructions of water conservancy facilities, helping ease water shortage and providing safe drinking water for the locals. (Xinhua/Cao Yiming)

　　Aerial photo taken on Nov. 14, 2019 shows family water tanks in Dahua Yao Autonomous County, south China's Guangxi Zhuang Autonomous Region. In the region, nearly half of poverty-stricken people live in areas with stony desertification which caused severe drinking water shortage. During China's 13th Five-Year Plan (2016-2020) period, local authorities have stepped up the constructions of water conservancy facilities, helping ease water shortage and providing safe drinking water for the locals. (Xinhua/Huang Xiaobang)