How was the Grand Canyon formed?

Grand Canyon Mystery, showing April 2nd on National Geographic at 9:00pm

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The Grand Canyon is considered one of the wonders of the world. Despite being the subject of numerous studies and research for well over 100 years, this natural phenomenon still poses many geological puzzles. We meet some of the experts who are still trying to unravel these mysteries.

Preview courtesy of National Geographic

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When's Grand Canyon Mystery coming up on UK TV?

Grand Canyon Mystery	National Geographic HD	May 27th - 0:00am			Set Reminder
Grand Canyon Mystery	National Geographic HD	June 2nd - 12:00am			Set Reminder
Grand Canyon Mystery	National Geographic HD	June 2nd - 6:00pm			Set Reminder
Grand Canyon Mystery	National Geographic	June 4th - 10:00pm			Set Reminder
Grand Canyon Mystery	National Geographic	June 5th - 1:00am			Set Reminder
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