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Dian Lake in Yunnan is clean again

(chinadaily.com.cn) Updated: 2010-08-30 17:35

Dian Lake in Yunnan is clean again
The before (2007) and after (2009) pictures of Daqing River, another channel leading to Dian Lake. [Photo/Xinhua] 

Dian Lake in Yunnan is clean again
A clean-up crew tackles blue-green algae in Dian Lake, which makes the lake smelly and can suffocate fish to death in this August 2007 file photo. [Photo/Xinhua] 

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