Other strange feature on rock side, “valley with bridge” across – really stuggle to see how this could form naturally.
Image credit: Mascot
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Checked on Geology Rocks and Tafoni could be an explaination for natural formation of this feature.
Heyup mascot, if yoy want some really freaky tafonic shenanigans, check out cloudy Crags up by the Aydon golf ball:
rockartuk.wordpress.com/2008/09/14/cloudy-crags-better-late-than-never/