Today a republican scientific conference devoted to the 115th anniversary of Buyan-Badyrgy Mongush, last feudal ruler of Tuva, founder of the Tannu-Tyva state in 1921, opens in Chadan, his motherland. The conference is held within the framework of the 9th Ustuu-Khuree Festival of live music visited by over 500 guests from many regions of Russia and foreign countries. The festival and the conference are backed by the Tuvan government. The festival is aimed at reconstruction of the Ustuu-Khuree monastery ruined in 1930-ties. Villa Khaslavskaya, author of the reconstruction project, is this year honourable guest.