
Science · en
Pennsylvania’s Grand Canyon
Amid the warm hues of fall foliage, Pine Creek Gorge forms a deep scar in the Allegheny Plateau.

Science · en
Amid the warm hues of fall foliage, Pine Creek Gorge forms a deep scar in the Allegheny Plateau.
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Science · European Space Agency · Official source
Science · NASA · Official source
Science · NASA · Official source