Here is another puzzle based on a photo taken when I visited London to attend the Digital Futures* Conference in 2006. This is Horse Guards Parade under Moonlight. You can see the London Eye, (or Millennium Wheel), observation wheel in the background, across the Thames.

Jigsaw Puzzle: You can choose to display the picture while doing the puzzle.

35Horse Guards Parade

Picture

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* Organised by the Royal Photographic Society’s Imaging Science Group.