Introduction to the petrified wood exhibition area: Petrified wood is the product of volcanic activity hundreds of millions of years ago. When a volcano erupts, trees are quickly buried underground. Over time, all the cell tissues of the trees are replaced by silica, calcium carbonate, etc., forming petrified wood. There is a very special "ancient forest" on the ground, which is the petrified wood exhibition area. Hundreds of hundreds of millions of years of fossilized wood "grow" among them. Visitors can walk on the "forest trails", feel the breath of the ancient forest, and marvel at the magic of nature's creations.