Man-Made Marvels of the Underground World

Shelter, dwellings, homes…Most people automatically think of dwellings as above-ground constructions to house people, but in fact, many have been built underground; others have changed the concept to better fit their lifestyles, still some of them metamorphosed the concept of “living” in a dwelling into an otherworldly necropolis, like the Chinese Emperor Qin Shi Huang. The fact is that man’s adaptability to different environments and settings has facilitated his move from above ground to underground, from outer space to underwater. Here are 7 marvels of the underground world.

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