Category:Subterranea (geography)
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The main article for this category is Subterranea (geography) .
This category is for 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 30 subcategories, out of 30 total.
Pages in category "Subterranea (geography)"
The following 75 pages are in this category, out of 75 total. This list may not reflect recent changes.