el train speeds over the chicago loop on a foggy morning in january.

across and architecture blue bridge bridgehouse building buildings bus business busy cement chicago chunks city cityscape commuters concrete district downtown drawbridge elevated exterior fence float foggy franklin frozen gloomy heavy high hour hurry ice icy illuminated industrial industry iron january landmark lifesaver light lights loop metal modern morning moving outdoor over people railing reflected riverwalk road rush scene sign speeds steel stop street streetlamps streetlights structure surrounding tourism train transportation travel urban wacker walkway winter work