Originally Posted by
erik123
I've been. The most common issues are headache and sleep issues - they tend to pass in a day or two. Some people are more prone than others - e.g. many Asians have increased sensitivity.. I wouldn't worry about it.
Well then, how many days would you budget for Lhasa, what are some other must-see places in Tibet and how difficult is it to arrange permission to visit Tibet? Thanks!