Source: CCTV.com
03-26-2009 17:42
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The Qinghai-Tibet Plateau has long been described as "the Roof of the World" and the third polar region. It's the starting point of many of China's rivers.
In building the Qinghai-Tibet Railway, great care has been taken to protect the unique, fragile and sensitive geographical environment of this plateau.
Editor:Yang Jie
