Superb mountains glinting with ice, high altitude deserts sprinkled with yaks and nomads, majestic ruined monasteries, infinite distances and bridges suspended over swirling rivers introduce the reader to the “country girdled by walls of snow-covered mountains†to use the definition of the Tibetans themselves. To western eyes, Tibet often seems a sort of superbly isolated fortress, untouched by time, withdrawn behind the Himalayas – a marvelous, mythical, ...