Pillars with national flags are seen at the entrance of Le Bourget where the 2015 United NationsClimate Change Conference (COP 21) will take place in Paris, Franceon Nov. 25, 2015. Already at high terror alert, France planned to pour 8,000 policemen and gendarmes across the country to secure the national borders and ensure the safety at home where the upcoming UN conference on climate change (COP21) is scheduled for next week, a government official said on Wednesday. (Xinhua/Zheng Bin)
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