Visitors look at oysters during the 16th China-ASEAN Expo Agriculture Exhibition in Nanning, south China's Guangxi Zhuang Autonomous Region, on Sept. 22, 2019. The 16th China-ASEAN Expo Agriculture Exhibition kicked off in Nanning on Sunday. Various products including fishery products, high-quality fruits and tea attracted a lot of visitors. (Xinhua/Zhang Ailin)