A tramway at a stop near the "Spodek" arena, part of the venue where U.N. climate talks are help on ways of combating global warming in Katowice, Poland, Wednesday, Dec. 12, 2018.(AP Photo/Czarek Sokolowski)
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A tramway at a stop near the "Spodek" arena, part of the venue where U.N. climate talks are help on ways of combating global warming in Katowice, Poland, Wednesday, Dec. 12, 2018.(AP Photo/Czarek Sokolowski)
