西藏以外的藏区高原陆路探险
---- this means overland adventure travels outside Tibet autonomous region; this region covers presnt Qinghai province, Sichuan province and northern Yunnan province
---- travelling in this region doesn't require the papers, which are required if you do overland adventure travel to Lhasa, capital of present Tibet autonomous region, from other cities or towns, like Xinning, Chengdu and Lijiang