In the lush grass around the crater, you can even see a layer of burnt asphalt gravel on top of the topsoil.Standing on the edge of the crater, Liu shook out his hand and could feel the cool air rushing through his fingers. From top to bottom, there is a full 25 meters deep gully three-dimensional terrain, creating a clear vertical climate in the crater, the two islands are rare meadows and flowers, everywhere in the crater, moss covered by the steep cliff and a waterfall like pearls.As long ...