Grand Canyon: Top Photos

Two billion years of Earth's history cut open by a river

The U.S. Marine Corps Medium Helicopter Squadron 764 (HMM-764), 4th Marine Aircraft Wing, flew CH-46E helicopters into the Grand Canyon, over Supai Village, during the beginning stages of Operation Ha
The U.S. Marine Corps Medium Helicopter Squadron 764 (HMM-764), 4th Marine Aircraft Wing, flew CH-46E helicopters into the Grand Canyon, over Supai Village, during the beginning stages of Operation… © Sgt. Alvin D. Parson Jr, Public domain, via Wikimedia Commons

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