Daily Photo: Redwall Cavern, Grand CanyonRedwall Cavern, one of the Grand Canyon’s most iconic
Daily Photo: Redwall Cavern, Grand CanyonRedwall Cavern, one of the Grand Canyon’s most iconic sites, dwarfs this visitor to the national park, which was established on February 26, 1919. The amphitheater was carved by the Colorado River’s flows through the limestone valley and is a popular stop on rafting trips.PHOTOGRAPH BY RALPH LEE HOPKINS, NATIONAL GEOGRAPHIC CREATIVE -- source link
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