A performer dressed in folk costume is seen during the 19th China-ASEAN Expo in Nanning, south China's Guangxi Zhuang Autonomous Region, Sept. 17, 2022.

The four-day expo, themed "Sharing RCEP New Opportunities, Building a Version 3.0 China-ASEAN Free Trade Area," opened on Friday and will last till Monday as this year marks the first year of implementation of the Regional Comprehensive Economic Partnership (RCEP) free trade agreement. [Xinhua/Zhou Hua]