PARO, BHUTAN - SEPTEMBER 07: Taktsang Palphug Monastery, or The Tiger's Nest Temple, near Paro, Bhutan on September 7, 2013. Bhutan, a Buddhist kingdom which allows only a limited number of travelers since it opened to foreigners in 1974 in order to preserve its fragile environment and culture, has become an increasingly popular destination for international tourists. (Photo by Kuni Takahashi/Getty Images)
