Closed on all sides from the outside wall of high mountains, Tibet has always been a mystery. For most of its history, the country was closed to foreigners, not only because of the impassable mountain passes, but also because of the political situation. For many years the entrance to the limits of the Tibetan Plateau has been closed because of fears that foreign visitors will bring war and destruction. But, nevertheless, a rare and brave adventurers still managed to take into Tibet.
