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A participant poses for photos with his glow swords during the 2017 Glow Battle Tour at Nathan Phillips Square in Toronto, Canada, Oct. 7, 2017. (Xinhua/Zou Zheng)
A participant poses for photos with his glow swords during the 2017 Glow Battle Tour at Nathan Phillips Square in Toronto, Canada, Oct. 7, 2017. (Xinhua/Zou Zheng)