evidence: The length of the territory of Tuva from north to south is 420 km, from west to east - 630 km. In the south and southeast, the republic borders Mongolia. Kyzyl with a population of about 114,000 people is the only city in the republic. [...] Yenisei (Ulug-Khem), one of the largest rivers in the world, originates in Tuva. There are thousands of lakes on the territory of the republic, most of which are of glacial origin. There are 13 salty mud lakes and more than 50 healing springs, the waters of which are successfully used for treatment of various diseases. Tuva is also rich in underground and mineral waters. Tuva is an earthquake-prone region. It has a unique and diverse flora and fauna. Most of the territory of the republic is occupied by forests (about 83%). About 3 million hectares are covered with cedar forests, which makes up 11% of all cedar forests in Russia.