

How did the crystals reach such super-sizes? For thousands of years, the crystals thrived in the cave's stable natural environment. Temperatures were a steamy 58 degrees Celsius. Because of the mineral-rich water, the growth of the crystals increased dramatically.
Inset is a picture of the fictional Fortress of Solitude from a Superman movie starring Christopher Reeve. For movie news, go to http://hotsup.blogspot.com/
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