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A firefighter carries a tree for recycling during the annual Christmas tree chipping event in Richmond, Canada, Jan. 6, 2018. Collected trees will be chipped and recycled for turning them into resources. (Xinhua/Liang Sen)
A firefighter carries a tree for recycling during the annual Christmas tree chipping event in Richmond, Canada, Jan. 6, 2018. Collected trees will be chipped and recycled for turning them into resources. (Xinhua/Liang Sen)