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Hector, a member of the United Nations K-9 (Canine) Unit, plays with a ball during a demonstration in the Security Council Chamber at the UN headquarters in New York, Oct. 13, 2017. The United Nations is the diplomatic center of the world and its headquarters in New York is guarded by a group of Labradors and their handlers called K-9 (Canine) Unit. The black Labrador named Hector is one of the special "security officers". There are 10 officers and each of them has a Labrador in the K-9 (Canine) Unit. They work together to ensure the safety of the United Nations. (Xinhua/Li Muzi)
