The Eurasian Steppe is temperate and semi-arid, meaning it is quite dry, not also scorching or cold and provides a climate which horses discover comfortable to live in. Other "wild" horses are literally feral domesticated horses. For example, a Polish domesticated horse breed called the Konik is now feral in https://augustnlfzs.losblogos.com/35039218/5-simple-statements-about-horse-xxx-free-explained