By air, there have been opened five flight routes. But only flights from Chengduare the dairly service. The quite accessable way is from Qinghai, Yuanna and Kathmandu. The Chuan-Zhang Highway is too rough to drive. Tibetan people are very kind and hospitable, you can feel free to talk with them.
Religious beggars are an accepted part of society in Tibet.
Notice if the beggars are the old men and women who dress in shredded, bulky clothing, while the Yunger ones may have a monkey on a chain, a spectacle of great interest to the Tibetans. These beggars are professionals, having less meritorions intentions than religious pilgrims. Just wave them off as the locals do if you don't want give anything. What medic I should bring for the high elevation. What should I bring for the plateau weather.