The chamber contains giant selenite crystals (gypsum ... Even without water, the cave was extremely hot, with temperatures reaching 58 °C (136 °F) and 90 to 99 percent humidity.

Crystals Cave will be mapped by means of laser-scanner devices in order to obtain 3-D images and eventual virtual reality trips. Trips which may become real inside physical replicas of the cave; maybe ...

NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as ... enduring scorching-hot temperatures that could kill a human after just 15 minutes of ...