Stepping down the stone stairs, people can see coal mine veins formed in the Cretaceous period, animal and plant fossils, and agates in their original forms.

 
  • 游客可以在此欣赏到形成于白垩纪的地质断层、动物和植物的化石以及最原始状态的玛瑙等。
今日热词
目录 附录 查词历史