The Sakha, formerly also known as Yakuts, are a Turkic-speaking people who migrated from southern Siberia to the area of the Lena River in northern central Siberia. From there, they also brought horse breeding and adapted it to northern environmental conditions. It has remained their economic basis, and its importance is expressed in all areas of life. The cultural life of the Sakha reaches its annual high point during the Yhyakh festival, which celebrates the rebirth of nature after the usually harsh winters.