Market Street Bridge mechanisms Album Random Photos 1 Image 85/200 Jun 03, 2007 15:47 Original Metadata Camera Model:Canon PowerShot S1 IS Original Time Taken:Jun 03, 2007 15:47 Shutter Speed:1/200 sec Aperture:f/4.5 Exposure Compensation:0 EV Metering Mode:Center Weighted Average Flash Fired:No Flash Focal Length:31.436 mm The yellow gears are rarely used, but they stand out amongst all the blue beams.