Like it a lot. I suppose it's common to see geometrical patterns in nature, but not common to see them with something forged as randomly and as a volcano or to see that geometry in tandem with the man-made; talking of which, great use of the stairs to send us (and indeed the human element here) on a path around the photo. I also like how the strong lines and angles are repeated in the steps, and how the link is enforced with the colour of the steps matching that of the summit. A really different photo.
(As is seemingly customary on PBase: Big fat chorus line triple decker Giant Haystacks vote.)
