Negative space

[nancylebov]

Any idea where this came from?

Link thanks to e_apraksina.

Comments

[whswhs.livejournal.com]

I've never seen that one in particular, but it looks a lot like the inverted and otherwise tweaked maps at Planetocopia, to be found at http://www.worlddreambank.org/P/PLANETS.HTM . I think there's actually a map there with the exact same concept as this one has.