A (usually) natural, large, void in the rock - and they are always underground by definition so the adjective is tautologous.
An underground cavern is a large cave or chamber typically found beneath the Earth's surface. These formations are often created through geological processes such as erosion, dissolution of rock, or volcanic activity. Underground caverns can contain unique ecosystems and geological features.
A subterranean cavern is an underground chamber or cavity formed by natural processes such as erosion, dissolution, or volcanic activity. These caverns can be large or small, with unique features such as stalactites, stalagmites, and underground lakes.
Peak Cavern was formed by the gradual erosion of the limestone rock by underground streams over millions of years. The dissolving of the limestone created a network of passages and chambers that make up the cave system we see today.
Cavern formation is typically caused by the dissolution of soluble rocks (such as limestone) by water, usually through a process called chemical weathering. Over time, the water erodes and dissolves the rock, creating large underground cavities known as caverns.
The four caves at Castleton are Peak Cavern, Speedwell Cavern, Treak Cliff Cavern, and Blue John Cavern. Each cave offers visitors unique underground experiences including stunning rock formations, underground rivers, historical artifacts, and beautiful mineral deposits.
In AdventureQuest, the Sepulchre is a location within the game's Necropolis area. It is a dark and eerie underground cavern that players can explore as part of the game's storyline quests.
A cavern is an underground chamber formed by erosion
cavern
A cave or cavern.
Sinkhole and a cavern
its at the place where there is a long dive spot
cavern Answer #2: A sinkhole.cavern
in the underground cavern near Poseidon's statue
people eat the limestone and live in the underground cavern's :) ... actual lol
team rocket
A cave or cavern.
Souterrain Souterrain
lv 2 underground I'll try to get more