7 Billion People Special: Population-Environment
Updated: 2011-10-25 15:52
(Agencies)
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A boy sits in a pile of algae as his friend runs at a beach in Qingdao, Shandong province, in this July 6, 2008 file photo. [Photo/Agencies] |
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Gasoline prices are advertised at a gas station near Lindbergh Field as a plane approaches to land in San Diego, California, in this file picture taken June 1, 2008. [Photo/Agencies] |
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New sex education textbooks were introduced to pupils in Shanghai on Monday after numerous debates on early-age sex education in China.
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