Black & White Aerial Photo

http://wallpaper-million.com/download/Aerial-view-of-New-York-in-black-and-white-wallpaper_8407.html

Black and white aerial photography is taking a photograph of the ground from an elevated (aerial) position. The photograph above is a black and white aerial photograph of New York. Aerial photographs are an excellent data source for many types of projects, especially those that require spatial data from the same location at periodic intervals over a length of time. Typical applications include land-use surveys and habitat analysis.