Exciting
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A photograph taken inside Cueva de los Cristales, in the Naica Mine, 980ft below the surface of Chihuahua, Mexico.

These are the largest naturally occurring mineral crystals on Earth, made of gypsum.
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Lostpoet · M
Looks like a scene from Superman
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Lostpoet · M
@StrawberryMilkshake it also makes me think about how small and insignificant man really is those guys are dwarfed by the Crystal structure like dust mites.