Rush hour traffic . Those horns are very, very long and very, very pointy. You keep your distance. These are not yaks. Yaks are found at much higher altitudes. These are dzopkios (yak/cattle mixture) and they prefer lower altitudes. All our duffles and tents were carried by dzopkios. By the way, there is no such thing as yak butter. Yaks are males. Females are called naks.