Tibet is one of world's cleanest areas: white paper - CCTV

Tibet is one of world's cleanest areas: white paper CCTV BEIJING, Oct. 22 (Xinhua) -- The Tibet Plateau is "the third-cleanest area in the world in terms of its environment," after the South Pole and North Pole, says a white paper issued on Tuesday. "It has a clean and transparent atmospheric environment ...

http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNEugyq-8afmqkBnnP2qUv64R3ZQsw&url=http://english.cntv.cn/20131022/102281.shtml