Caves are made by water and wind carving into the Earth's crust.
Jieta Grotto is a limestone cave it is not man-made.
A land cave is a cave that was naturally made by how rocks fell in a certain area. It was not man made or altered in any way.
The cave canem mosaic was made of marble tiles (tesserae).
cave pearls
notjiifh
rock
Haystack
Limestone
by man
They made it with strays and hay stacks
Yes, it's a small cave or cavern or artificial structure or excavation made to resemble a cave or cavern.
The Pioneer Girl.