In the Himalayas of Nepal, yaks are used for transportation of people and tourists loads. People earn money by carrying visitors loads on yaks. Yaks meat is also used as a delicious food in the Himalayas which is high in protein. Apart from this yak milk is best which is used to make yogurt and curt. This things made from yak is tasty. Fur is extracted from yaks which is used in making woolen clothes to keep warm in mountain regions. Yaks horns are used for decoration purposes. So every important parts of yak is benefecial to people in the himalayas.
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From @leoumesh