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Photo shows firework set during the opening ceremony of the 2018 PyeongChang Winter Olympic Games held at PyeongChang Olympic Stadium, South Korea, Feb. 9, 2018. (Xinhua/Wu Zhuang)
Photo shows firework set during the opening ceremony of the 2018 PyeongChang Winter Olympic Games held at PyeongChang Olympic Stadium, South Korea, Feb. 9, 2018. (Xinhua/Wu Zhuang)