They photographed women bent over at the waist, milking long lines of sheep and goats — a ... Yet they also emphasized that the nomads were not immune to historical change. In their 1990 book Nomads ...

Some of the best places to see this is in the harshest places, as demonstrated by a new study linking increased oxygen ...

For Tibetan women living at elevations higher than most commercial airlines fly, however, breathing the thin mountain air is ...