People visit an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Chen Bin)

　　People visit an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Chen Bin)

　　A visitor visits an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Chen Bin)

　　A man visits an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Chen Bin)

　　A performer dances at an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Chen Bin)

　　People visit an exhibition of the duplications of Dunhuang overseas fine cultural relics in Dunhuang City, northwest China's Gansu Province, Sept. 24, 2021. The exhibition is one of the main exhibitions of the 5th China Silk Road (Dunhuang) International Cultural Expo and the 10th Dunhuang Tour-Silk Road International Tourism Festival, which kicked off Friday in Dunhuang, a major hub on the ancient Silk Road in northwest China's Gansu Province. A total of 200 replicas of Dunhuang's cultural relics scattered overseas were displayed. (Xinhua/Zhang Zhimin)