Shandong Changle Volcano National Geological Park, a large ancient volcanic group. This is the sapphire-rich volcano in Changle, During the Neogene period between 19 million and 4 million years ago, the Changle Basin produced spectacular volcanic eruptions, Zeng Dozens of volcanoes have been sprayed one after another, ## constitutes a magnificent picture of Wan Jian Qi Fa, Qi Chonghan, and shocking mountains. The volcano was gradually ablated by the influence of late crustal movement. The volcanic columnar joint formed by is clearly visible.