Subterranea (geography)

Subterranean river in Castellet-lès-Sausses

Subterranea are underground structures, both natural (such as caves) and human-made (such as mines).[1] Some subterranea and related topics include:

## Contents

* 1 Natural
* 2 Human-made or related
* 3 See also
* 4 References

## Natural

* Caves
* Cenote
* Ice cave
* Sea cave
* Sinkhole
* Karst
* Lava tube
* Lunar and Martian lava tubes
* Subterranean river
* Subterranean waterfall
* Underground lake
* Volcanic pipe

## Human-made or related

* Borehole
* Bunker
* Burial vault (tomb)
* Casemate
* Catacombs
* Cave dweller, Underground living
* Cave temple
* Cellar
* Dungeon
* Dugout (shelter)
* Fogou
* Hypogeum
* Mine
* Rock cut architecture, rock-cut tomb
* Smuggling tunnel
* Tunnels (street tunnel, train tunnels)
* Underground city, umbrella article for underground dwellings and facilities
* Underground rapid transit system
* Wine cave

## See also

* Boring (earth)
* Seattle Underground
* Subterranean London

## References

1. ↑ Margineanu, Romul Mircea (2019). "Radon measurements in underground mines and caves from several European countries". AIP Conference Proceedings (Author(s)) 2076: 050004. doi:10.1063/1.5091643.

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Man-made and man-related Subterranea

Natural features|

* Cave
* Cenote
* Grotto
* Sinkhole

Civilian features|

* Basement
* Burial vault (tomb)
* Borehole
* Catacombs
* Dungeon
* Dugout (shelter)
* Dry well
* Earth shelter
* Erdstall
* Fogou
* Hypogeum
* Manhole
* Rapid transit
* Rock-cut tomb
* Root cellar
* Tunnel
* Utility vault
* Underground city
* Well
* Wine cave
* Secret passage
* Semi-basement
* Stepwell
* Storm cellar
* Smuggling tunnel
* Ventilation shaft

Military features|

* Air raid shelter
* Bunker
* Blast shelter
* Casemate
* Fallout shelter
* Missile launch facility (silo)
* Underground base
* Underground hangar
* Spider hole

Mining, quarrying, and underground construction|

* Rock-cut architecture
* Subsurface utility engineering
* Tunnel construction
* Underground mine ventilation
* Underground mining (hard rock)
* Underground mining (soft rock)

Related topics|

* Cave dweller
* Caves of Maastricht
* Civil defense
* Coober Pedy
* Houston tunnel system
* Kőbánya cellar system
* Tunnel warfare
* Tunnel network
* Trench warfare
* Underground living
* Underground City (Beijing)
* Underground City, Montreal
* Mine exploration
* Mines of Paris
* Mole people
* Naples underground geothermal zone
* Sapping
* Subterranean London
* Subterranean Toledo
* Subterranean warfare
* Subterranean fiction

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