Wednesday, 18 May 2011

SOUTH KOREA-Green energy



Green energy sources are most often regarded as including all renewable energy sources, such as hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bioenergy, and tidal power. It usually also includes technologies that improve energy efficiency.

Thanks to Withlove.

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The registered air mail from China

 The registered air mail cover from China depicts the scenery of China Thank you Mt. Li.