newVideoPlayer( {"type":"video","player":"http://www.youtube.com/v/jXNyEiw28D0&hl=en&fs=1&hd=1","customParams":[] ,"width":500,"height":332.5,"ratio":0.615,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"youtube","wrap":true,"agegate":false} ); Bound by buildings on one side and a harbor on the other, the Finnish capital of Helsinki is pursuing a unique direction for its urban expansion: straight down. Thanks to a cooperatively shallow bedrock, building underground is relatively painless and inexpensive, and already citizens enjoy access to a subterranean swimming complex, shopping area, hockey rink, and more.
Any company that’s ever boasted of its green credentials can shove it in the coal burner, after hearing about Helsinki’s Uspenski Cathedral’s data centre, which will use its overheating servers to warm 500 homes joined by a network of pipes.
They are here. With their lasers. And their clouds. And their secret tunnels that go 126 metres into the ground to extract energy. No, not the aliens. I mean the hippies with their art installations.
