Building-size model of the internet in Brussels:
http://media-cdn.tripadvisor.com/media/photo-s/02/9d/71/72/f...
It's clearly box-shaped with an LED on top: https://www.youtube.com/watch?v=iDbyYGrswtg
It's like the shape of a typical manifold drawn in a topology textbook. Weird amoeba looking things.
I guess this is why they call it "the cloud".
http://internet-map.net/