Sonam Tsering, a Manpa (traditional physician), introduces the medicinal herbs to students for the Lum bathing recorded in the medical thangka of Gyud zhi (the Four Trantras). The 13th session of the UNESCO Intergovernmental Committee for the Safeguarding of the Intangible Cultural Heritage inscribed Lum medicinal bathing of Sowa Rigpa onto the Representative List of the Intangible Cultural Heritage of Humanity, at a convention held in Port Louis, capital of the Republic of Mauritius, Nov. 28, 2018.