People visit the seventh China-South Asia Expo in Kunming, southwest China's Yunnan Province, Aug. 19, 2023. The ongoing seventh China-South Asia Expo has attracted more than 30,000 exhibitors, representatives, and guests from 85 countries and regions to attend online and offline. (Xinhua/Hu Chao)

People visit the seventh China-South Asia Expo in Kunming, southwest China's Yunnan Province, Aug. 19, 2023. The ongoing seventh China-South Asia Expo has attracted more than 30,000 exhibitors, representatives, and guests from 85 countries and regions to attend online and offline. (Xinhua/Hu Chao)

A child tries a VR device at the seventh China-South Asia Expo in Kunming, southwest China's Yunnan Province, Aug. 18, 2023. The ongoing seventh China-South Asia Expo has attracted more than 30,000 exhibitors, representatives, and guests from 85 countries and regions to attend online and offline. (Xinhua/Hu Chao)

People visit the seventh China-South Asia Expo in Kunming, southwest China's Yunnan Province, Aug. 19, 2023. The ongoing seventh China-South Asia Expo has attracted more than 30,000 exhibitors, representatives, and guests from 85 countries and regions to attend online and offline. (Xinhua/Hu Chao)