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A squirrel reaches for a peanut during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] 
A squirrel rests on a trunk during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] | 
A pigeon flies during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
A squirrel eats a peanut on a trunk during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
A bird stands on a trunk during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
A bird stands on a trunk during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
Birds stand on a lawn during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] 
A bird stands on a trunk during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
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A squirrel stands on a lawn during a sunny day in Central Park, New York City, the United States, on April 21, 2013. [Xinhua/Niu Xiaolei] |
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