17 Living Roofs: the High Tech Green Future of Architecture

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Chicago City Hall – the coolest place to be, thanks to this $2.5 million rooftop garden (not open to the public – the 11-storey drop might have something to do with this).

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Mike Sowden

Mike Sowden is a freelance writer based in the north of England, obsessed with travel, storytelling and terrifyingly strong coffee. He has written for online & offline publications including Mashable, Matador Network and the San Francisco Chronicle, and his work has been linked to by Lonely Planet, World Hum and Lifehacker. If all the world is a stage, he keeps tripping over scenery & getting tangled in the curtain - but he's just fine with that.