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
