Read the excerpt from chapter 8 of The Travels of Marco Polo.And let me tell you something else. They have sheep here that have no ears, nor even ear-holes; but in the place where ears ought to be they have little horns. They are small creatures and very pretty. And here is something else that may strike you as marvelous: their domestic animals—sheep, oxen, camels, and little ponies—are fed on fish. They are reduced to this diet because in all this country and in all the surrounding regions there is no grass; but it is the driest place in the world.