TAILS sensors between the tracks, fully encapsulated in concrete, and linked back to the equipment in the radio mast

TAILS sensors between the tracks, fully encapsulated in concrete, and linked back to the equipment in the radio mast
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Taken with a Canon EOS 50D
Date: July 12, 2010 09:45 AM
Exposure Time: 1/500 sec
Aperture Value: f/8
Focal Length: 70 mm