When the stone terraces are scarce to the extreme, the stones can also be planted with soil. If you don't see it with your own eyes, you can't believe it. In the mountains on both sides of the Nujiang Grand Canyon, there are many people living and living, and it is said that there are more than 20 ethnic groups. In addition to the river is the mountain, the means of production are extremely poor, and a little bit of land can gather dozens of families. Now, all of them have been lifted out of poverty, and the transportation is convenient. There are hundreds of bridges on the Nu River. It is really the grand scene of the world!