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The Sierra Nevada, North America's highest mountain range, contains one of the most awe-inspiring geological features on the planet: Yosemite Valley. Walled by sheer 3,000-foot granite cliffs and made from one of the toughest rocks on earth, it is home to the mighty El Capitan and iconic Half Dome. Yet how this extraordinary valley formed has been the subject of controversy for over 100 years. Was it carved by gigantic glaciers or a cataclysmic rifting of the Earth?
ಮೊದಲ ವಾಯು ದಿನಾಂಕ : Feb 10, 2009
ಕೊನೆಯ ಪ್ರಸಾರ ದಿನಾಂಕ : Mar 02, 2010
ಸಂಚಿಕೆ : 26 ಸಂಚಿಕೆ
ಸೀಸನ್ : 2 ಸೀಸನ್
ಚಾಲನಾಸಮಯ: 45 ನಿಮಿಷಗಳು
ಸ್ಟುಡಿಯೋ: History
ಪಾತ್ರವರ್ಗ: Corey Johnson
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