Cave Walls
Detailed Description
An image of walls in the Caverns of Sonora. At the top of the image can be seen a form of flowstone known as draperies. At the base of the walls is a formation known as "cave popcorn."
Sources/Usage
Public Domain.
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
