See that enormous blue funnel in the middle of those buildings? It's just one of the six canopies that will light up the 2010 World Expo in Shanghai. As the close-ups show, the scale of these things defies belief:They are not just light sources, however. These LED towers also collect rainwater and funnel sunlight to the multiple levels of the 1-kilometer long Expo Boulevard. [World Architecture News via Inhabitat]
