Alchi Monastery topographic conditions, only two survived, one of them the esteemed scholar and translator Rinchen Zangpo who established Buddhist activity in the Ladakh region and other areas of India including Himachal Pradesh and Sikkim. During his sojourn there, he also went to the neighbouring countries of Nepal, Bhutan and Tibet. Zangpo became known by the epithet "Lohtsawa" or the "Great Translator"; he is credited with building 108 monasteries in the trans-Himalayan region in his quest to disseminate Buddhism. He institutionalized Buddhism in the region; these monasteries are considered the mainstay of Vajrayana of Tibetan Buddhism (also known as Lamaism). Zangpo engaged
History of Tibetan Buddhism agency known as the Bureau of Buddhist and Tibetan Affairs (Xuanzheng Yuan) was set up in Khanbaliq (modern-day Beijing) to supervise Buddhist monks throughout the empire. The Sakya Imperial Preceptors were active at the Yuan court and enjoyed special power. During this period Tibetan Buddhism was practiced not only within the capital Beijing and the Tibetan Plateau, but throughout the country. For instance, Hangzhou, capital of the former Southern Song dynasty and the largest city in the Yuan realm, became an important hub of the activities of Tibetan Buddhism, which took public or official precedence over Han Chinese Buddhism. Similarly,