ultrafacts: In the cave mines there are tenfold less bacteria in the air than in the most sterile room in a hospital, so it also helps people with skin problems. Again, 300 meter deep, but the temperature here stays pretty much the same the whole year

ultrafacts: In the cave mines there are tenfold less bacteria in the air than in the most sterile room in a hospital, so it also helps people with skin problems. Again, 300 meter deep, but the temperature here stays pretty much the same the whole year

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from: https://yindy.tumblr.com/post/131721920433