In the ancient Tibetan scriptures, the existence of seven such places is mentioned as Nghe-Beyul Khembalung.[1] Khembalung is one of several beyuls (hidden lands similar to Shangri-La) believed to have been created by Padmasambhava in the 9th century as idyllic, sacred places of refuge for Buddhists during times of strife (Reinhard, 1978).
https://www.travelchinaguide.com/cityguides/yunnan/shangri-la/https://www.nationalgeographic.com/travel/intelligent-travel/2012/08/21/where-is-shangri-la/
https://www.telegraph.co.uk/travel/destinations/asia/china/articles/Shangri-La-China-paradise-found/
https://www.lonelyplanet.com/china/yunnan/shangri-la-zhongdian
https://www.tripadvisor.co.uk/Attractions-g670561-Activities-Shangri_La_County_Yunnan.html

https://www.chinahighlights.com/shangri-la/attraction/