Rock with erosion holes in it

Just a rock (actually, more than one) exposed at low tide at Cabrillo National Monument, California, USA. Erosion has gouged out little smooth holes in the rock in the center, and in others in the area. Nature seems to abhor a vacuum -- most of the holes are filled by other rocks, which, I suppose, will, with the action of the waves, erode the holes further.

 

This rock in the center with all the holes is roughly fist-size.

 

May 2015: Thanks, viewers! This photo has been viewed over 36,000 times, and is in thirteen galleries, both of which amaze me!

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Taken on December 28, 2005
  • ƒ/3.2
  • 9.2 mm
  • 1/400
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  • Flash (off, did not fire)
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