Tos-Bulak is the name of an area of open fields and a mineral spring situated at , some 9 km south of Kyzyl, Tyva. It is the location of the Naadym festival (15 August), the Tyvan Republic Day, where various competitions such as horseriding and khuresh (wrestling) are held. External links http://throat-singing.blogspot.com/2005/08/naadym.html Geography of Tuva Rural localities in Tuva Kyzyl