Photo taken on Aug. 30, 2003 shows the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region. The Chinese government attaches great importance to ecological improvement and environmental protection in Tibet. It has made tremendous efforts to strengthen ecological improvement and environmental protection in the region, where there are 19 nature reserves. Many kinds of rare animals have reappeared on the "Roof of the World". [Xinhua]
 
 
 

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