![](http://www.alamy.com/thumbs/6/10CED072-B645-433E-A49D-2B64411C53A9/2B13KDD.jpg)
petrified coral reef in the cave Kluterthoehle, Germany, North Rhine-Westphalia
Size: 5315px × 3543px
Location: Deutschland,NRW
Photo credit: © blickwinkel/M. Woike / Alamy / Afripics
License: Licensed
Model Released: No
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