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Exhibition on metro transit held in E China's Qingdao
2023-04-28 22:48:00
Participants visit the International Metro Transit Exhibition in Qingdao, east China's Shandong Province, April 27, 2023. The International Metro Transit Exhibition & Forum (Beijing-Qingdao) and the 1st China Metro Transit Hi-Tech Fair kicked off here on Thursday. (Xinhua/Li Ziheng)
Editor:Jiang Yiwei