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