Winter Olympic silver medalist Zhang Dan (R) demonstrates a pin customized with her picture during the lauching ceremony of the Pin Exchange Center in the Arts and Crafts Mansion in the Wangfujing Street of Beijing, capital of China, July 17, 2021. The Pin Exchange Center of Beijing 2022 opened on Saturday. (Xinhua/Chen Zhonghao)
Beijing 2022 pin trading center launched
Source: Xinhua| 2021-07-17 19:47:41|Editor: huaxia