Black & White Aerial Photo

http://freegeographytools.com/2007/georeferenced-terraserver-imagery-with-usaphotomaps

Black and white aerial photography is photos taken from satellites, balloons, aircraft, etc. Black and white aerial photos have been used since the techonology first existed. It was used by the military to look at enermies from long range distances. The photo above is simply an aerial image taken of Tuscon, AZ.