Columbia Wastewater Treatment
the red silos are scrubbers, but they use bacteria and organic matter to scrub sulfur from the air. 
10 October 2006, 01:59

Image img011.jpeg
Dimensions 2816x2112 pixels
Bytes 2.7 MB
Date 10 October 2006, 01:59
Exposure time 1/399 sec.
Exposure mode Auto exposure
Flash Flash did not fire, compulsatory flash mode.
Shutter speed 277/32 sec. (APEX: 20)
Aperture value f/5.6
Focal length 5.8 mm
Camera model Canon   Canon PowerShot SD600