A staff member of a company shows artemisinin derived from the artemisia annua in Rongan County, south China's Guangxi Zhuang Autonomous Region, June 17, 2019. In recent years, local companies, scientific research institutes, cooperatives and farmers in Rongan coordinate to develop artemisia annua planting industry in a bid to shake off poverty for locals. (Photo by Nong Guanbin/Xinhua)