Introduction to Zhonghualongshan: Zhonghualongshan was formed in the Ordovician period 450 million years ago. The entire mountain rock is reddish brown, and the mountains are crisscrossed like giant dragons entrenched here. The surface of the mountain is evenly covered with patterns that resemble dragon scales. , so it is called "Chinese Dragon Mountain". Here, marine paleontological fossils such as the "Chinese Sinian Cornerstone" hundreds of millions of years ago can be seen everywhere.