2014年9月24日 星期三

London solar-powered Blackfriars bridge

London solar-powered bridge can make 80,000 cups of tea a day:http://cnn.it/1spA0iw
Blackfriars bridge in the City of London is the largest solar-powered...
EDITION.CNN.COM|由 MEERA SENTHILINGAM, FOR CNN. 上傳

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