A big moon lights up the sky in Zhengzhou, capital of Central 皇冠体育app’s Henan province, March 16, 2011. On March 19, the moon will orbit the Earth closer than anytime in the past 19 years, according to Zhao Haibin, an astronomer and researcher with Purple Mountain Observatory of Chinese Academy of Sciences in Nanjing, Jiangsu province. As a natural phenomenon, it will not affect human beings, Zhao said. [Photo/CFP]
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