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2009 Hangzhou Int'l Recycling Economy, Environmental Industry Expo

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An exhibitor introduces to a visitor a sunlight lightening system that can lead sunlight into a room through pipe at the 2009 Hangzhou International Recycling Economy and Environmental Industry Expo of China in Hangzhou, east China's Zhejiang Province, October 31, 2009.

An exhibitor introduces to a visitor a sunlight lightening system that can lead sunlight into a room through pipe at the 2009 Hangzhou International Recycling Economy and Environmental Industry Expo of China in Hangzhou, east China's Zhejiang Province, October 31, 2009. [Xinhua]

 

(Xinhua News Agency November 1, 2009)

Visitors watch a building-top solar power system at the 2009 Hangzhou International Recycling Economy and Environmental Industry Expo of China in Hangzhou, east China's Zhejiang Province, October 31, 2009.
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