Photos: France police, activists clash at environmental protest
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Policemen fight with activists during a protest ahead of the 2015 Paris Climate Conference at the place de la Republique, in Paris, Sunday, Nov. 29, 2015. More than 140 world leaders are gathering around Paris for high-stakes climate talks that start Monday, and activists are holding marches and protests around the world to urge them to reach a strong agreement to slow global warming. (AP Photo/Laurent Cipriani)