Category:Subterranea (geography)

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The main article for this category is Subterranea (geography).

Subterranea refers to underground structures, both natural (such as caves) and man-made (such as mines). Some subterranean features are secret places (see also Category:Secret places); most, like road tunnels, subway systems and sewers, are parts of public infrastructure.

Subcategories

This category has the following 28 subcategories, out of 28 total.

A

B

C

F

G

H

M

  • Mines(10 C, 2 P)

N

P

R

S

T

U

U cont.