Ａ�。危澹鳌。龋椋纾鑏New look
發(fā)布時(shí)間:2020-03-27 來源: 散文精選 點(diǎn)擊： 
The first order of business for most travelers to China"s Tibet Autonomous Region is what to do to prevent the onset of altitude sickness. The region isn"t called "The Roof of the World" for nothing. It lies on a plateau that is the high-est on the planet with an average eleva- tion of more than 4,000 meters. Lhasa, the regional capital and starting point for most trips, is 3,650 meters above sea level.
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