The Washington Post blog WorldViews posted 40 maps that explain the world "Maps can be a remarkably powerful tool for understanding the world and how it works, but they show only what you ask them to. So when we saw a post sweeping the Web titled '40 maps they didn't teach you in school,' one of which happens to be a WorldViews original, I thought we might be able to contribute our own collection. Some of these are pretty nerdy, but I think they're no less fascinating and easily understandable. A majority are original to this blog (see our full maps coverage here), with others from a variety of sources. I've included a link for further reading on close to every one."
Number nine had some surprises for me: