Scavenging

"I personally dug out this piece of coal in Inner Mongolia. Those textbooks that you come across when you were small all claim that China is a big coal mine. In the past, our main coal-producing area was Shanxi, but now, Inner Mongolia has also become a big coal-producing province. Moreover, you can find a lot of shallow coal seams around the area, and there are a large number of gas fields, which has become a large energy providing province.