The Deepest Underground Structures in the World

The Deepest Underground Structures in the World

Here I have another excellent infographic from the guys at Alan’s Factory Outlet that offers information about the deepest underground structures in the World including how deep they are, their locations and how many years they have been active. The piece will teach you all about the deepest underground laboratories, mines, caves, subway stations, swimming pools and more.

The Deepest Underground Structures in the World

Infographic by Alan’s Factory Outlet – via Reddit

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