UNDERGROUND TUNNELS Crossword Clue
UNDERGROUND TUNNELS Crossword Clue
We know 1 solutions for: UNDERGROUND TUNNELS
Crossword Puzzle Infos
Underground tunnels, also known as CAVES, are natural or man-made passageways that are located beneath the surface of the earth. They can be used for a variety of purposes, such as transportation, storage, and even military operations. CAVES are often formed by erosion, but they can also be created by human activity, such as mining or construction.