https://ift.tt/2wwdHAe A ‘Honking-Big’ Cave in Canada Lures Geologists to Its Mouth Caves and Caverns, Geology How did a hole large enough to fit the Statue of Liberty go undetected for so long? EMILY S. RUEB https://ift.tt/2BYVP1Q December 8, 2018 at 05:30AM
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