The Cave photo copyrighted by: Galen R. Frysinger A lot has happened in Mexico's Copper Canyon area since its pyroclastic origin some 25 million years ago. Great mountains rose in a fiery display of smoke and ash. Torrents of rain and wind cut deep slashes in the rising igneous colossus that.
Find more Copper Canyon images in the Mexico gallery of Photorena.
All pics are under copyright of the photographer
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