By Colin Griffin
Vincent Callebaut Architectures
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With his Dragonfly skyscraper, Vincent Callebaut takes the almost worn-out "vertical urban farm" concept and gives it a massive dose of hallucinogens. At more than two and a half times the height of the Empire State Building, the dragonfly wing–shaped über-farm would tower over Manhattan, housing everything from apricot orchards to livestock pastures.
Stupefaction factor: 10. America's tallest building, in its largest city, would be a futuristic Noah's Ark, a symbol of our nation's commitment to the environment and a stunning example of the strength of mankind. Moreover, it would be shaped like a freaking dragonfly wing.
Fantasy Factor: 10. This will not happen. Ever.