An ocean hides underneath the surface of the Earth
 

A rare gemstone holding trapped water suggests a massive reservoir, as large as our oceans combined, may be hidden in the Earth’s mantle. Jules Verne wrote about many fantastical things, and several real-world innovators have him to thank for their inspiration, including submarine and rocket pioneers. It may still come as a surprise though, how [...]

http://vr-zone.com/articles/ocean-hi...-surface-earth