Double faces: Because all good things come in pairs.

1. An illustrated double portrait (from here)

2. A ghostly double take, by Van Den Berge

3. ‘The Duplicity Theory of Vision’, from here

4. Simone and Harriet: A double photo-portrait. (By me)

5. Mark and Simon (they’re all grown up now and have they’re own Flickr pages and everything!)

And lastly! Before you go, please click here! It’s the unofficial 6th image (and, believe me, it’s a good one).