Limestone layer is strongly cracked and varies complicatedly (part in lemon yellow color), limestone is solid (violet red color), distributing through the lines in form of partial blocks.

• -石灰岩层裂缝状况严重，且具体裂缝情况复杂多变化（部分呈柠檬黄），石灰岩为固态（呈紫红色），在各处以局部块体状形式分布。