A man walks on an ancient creek bottom through a narrow opening with stalactites overhead in Boyden Cavern in Kings Canyon at Giants Sequoia National Monument.
A man walks on an ancient creek bottom through a narrow opening with stalactites overhead in Boyden Cavern in Kings Canyon at Giants Sequoia National Monument. Mark Crosse Associated Press file
A man walks on an ancient creek bottom through a narrow opening with stalactites overhead in Boyden Cavern in Kings Canyon at Giants Sequoia National Monument. Mark Crosse Associated Press file

Moaning, Black Chasm, Crystal and more: A descent into California caves

February 10, 2017 6:00 AM

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