The future of infrastructure
![](https://media.wnyc.org/i/800/0/c/85/photologue/photos/tt/infrastructure-ibeam-february-13-2009.jpg)
I-beams in waiting, February 2009
( Flickr user skazama (cc: by-nc-sa) / flickr )
( Flickr user skazama (cc: by-nc-sa) / flickr )