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Aerial photo taken on May 11, 2019 shows the performance during the 1,000-day countdown celebrations of the Beijing 2022 Winter Olympic Games in Chongli of Zhangjiakou City, north China's Hebei Province. (Xinhua/Xing Guangli)
Aerial photo taken on May 11, 2019 shows the performance during the 1,000-day countdown celebrations of the Beijing 2022 Winter Olympic Games in Chongli of Zhangjiakou City, north China's Hebei Province. (Xinhua/Xing Guangli)