DescriptionPigeonimg.jpg English: Bavarian Pigeon Corps aerial image Date 1908 Source http://www.geog.ucsb.edu/~jeff/115a/history/pigeonremotesensing...
images from [[:en:Julius Neubronner|]]'s camera strapped to a [[:e File:Pigeonimg.jpg licensed with License, PD-old-75-1923, PD/1923 2009-07-13T17:12:40Z...
