写真素材 - Shasta Lake Caverns, California, network of caves, chain of stairs, limestone deposits in form of stalactites, stalagmites, soda straws, columns, and flowstone, mostly hanging like small rods.
Shasta Lake Caverns, California, network of caves, chain of stairs, limestone deposits in form of stalactites, stalagmites, soda straws, columns, and flowstone, mostly hanging like small rods.