Populus euphratica fossils were found in the middle of tertiary Paleocene strata in Kuqa Thousand Buddha Cave and Tiejianggou, Dunhuang, at least 65 million years ago. The History of the Later Han Dynasty, Biography of the Western Regions and Notes on Water Classics all record that there are hutongs (Indus River) in Tarim Basin, namely Populus euphratica. Uighurs call Populus euphratica Tuo Clark, which means "the most beautiful tree". Because of its amazing ability to resist drought, sandstorm and salinity, and its tenacious survival and reproduction in the desert, it is known as the "desert hero tree". People praised the great vitality of Populus euphratica as "three thousand years", that is, to live for a thousand years without dying, to die for a thousand years without falling, and to be immortal for a thousand years.
In grassland areas, the diet is mainly cattle, sheep, camel meat and pasta, and vegetables are few and expensive, so we should be prepared for our thoughts and appetites. You can buy some fruits in Yinchuan and take them with you. Grassland climate is relatively dry. In order to enhance the resistance, we should strengthen the intake of vegetables and fruits and avoid eating mutton without restraint. Once it gets angry, it will affect its physical strength and health. Because local vegetables and fruits are not produced much, they all contain synthetic vitamins, especially VC.