Solar power offers low-carbon living
Updated: 2014-06-10 16:46
(chinadaily.com.cn)
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A loudspeaker casing with a solar charger on display in Shanghai, Nov 4, 2013.[Photo/CFP] |
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A loudspeaker casing with a solar charger on display in Shanghai, Nov 4, 2013.[Photo/CFP] |
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