Put on your thinking caps, have as many guesses as you want – and most of all, have fun. Your time starts …. NOW!
Spoiler alert: do not read any further unless you want the answer revealed.
I do not crop, enhance or post-edit my images in any way. Shot with a Pentax K100D, using a Sigma 18-125mm lens. F8, 1/500 sec, ISO 200, focal length 125mm.
Featured in VISUAL PUZZLES, December 2010.