Creepy, right? Don't worry - a match is all it takes to make it go away. The memories, though.. they last. Forever.
This is the handy work (get it?) of Peter Callesen - a master of the paperical arts. According to the site, all of these works are created from SINGLE sheets of paper. I don't see how, knowing physics and all, but I'll take his word for it. Impressive stuff, hit the jump for a few more.
[via Peter's site]