The deepest natural caves known to man are the Pierre St. Martin Caves in the Pyrenees Mountains between Spain and France, which reach 4,370 feet deep, almost three times as deep as the Empire State Building is high!
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T E R R I F A C T S Amazing and Newest Facts -Random-
Non-Fiction[ON-HOLD] This book delivers immersive amaze latest facts and that you have not known. Stay and could shock the various facts that you read. Enjoy! #759 Highest Rank 1/12/2017 Rank #869 1/17 Rank #950 1/20/17 -geminerd
