Monday, February 21, 2011

Recursion: Infinite Loops


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http://upload.wikimedia.org/wikipedia/commons/2/27/CTA_loop_junction_edit_4.jpg

CTA cross junction, northwest corner of The Loop, Chicago; control tower 18 guides north and southbound Purple and Brown lines intersecting with east and westbound Pink and Green lines and looping Orange line above the Wells/Lake Street intersection (edit 4): photo by Daniel Schwen, 2007

File:CTA train NE corner.jpg

Green line train approaching Randolph/Wabash station, northwest corner of the Loop: photo by Daniel Schwen, 2007

http://upload.wikimedia.org/wikipedia/commons/1/11/Chicago-Loop-SEcorner.jpg

A Brown line train and an Orange line train contend for the intersection at the southwest corner of The Loop, Chicago (taken from crossover walkway of Adams/Wabash stop on the Green, Orange, Brown and Purple lines)
: photo by Kelly Martin, 2005



leaving downtown: photo by tripp, 2006


Turning Left on Van Buren: photo by Alfie Martin, 2006



blueloop: photo by Sam D., 2008

Datei:CTA Night.jpg

Northward view from the Adams/Wabash station at night
: photo by Daniel Schwen, 2009