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来源: wadcChinese 于 2013-01-23 11:04:46 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (280 bytes)
回答: i already pointed out this issue for 由 老看客 于 2013-01-23 10:24:43

BJ was polluted 20+yrs ago whenever there was a sandstorm. 10+ yrs ago it is hard to see the sun. The sun looks like a moon. Now one may not see the sun at all.

What are the causes? What measures can be taken to control the pollution. 

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• thx! I'll try to put a post here -老看客- ♂ 给 老看客 发送悄悄话 老看客 的博客首页 (27 bytes) () 01/23/2013 postreply 11:28:43

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