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El Yunque, Majestic Rocky Icon of Puerto Rico: Impervious to the Ravages of Time?
The peak El Yunque presides over the island of Puerto Rico.
Credit: Gilles Brocard
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Scientist Fred Scatena (left) and colleagues near a weather station on East Peak.
Credit: Gilles Brocard
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El Yunque and East Peak from below. The U.S. Navy once had a facility on East Peak.
Credit: Gilles Brocard
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Geoscientists are studying erosion on El Yunque, a hard-headed "cap" on the island.
Credit: Gilles Brocard
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Morning mist hides the rocky face of El Yunque.
Credit: Wikimedia Commons
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Waterfalls cascade down El Yunque's steep sides.
Credit: Wikimedia Commons
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