Fun with dirt stains!
 

This is a famous and frequently printed shot of 1917. Below that, is a similar, lesser known shot (non-gracefully aged press photo) with a few enhanced lines and shading applied by the editting department.

Taken on same day?

http://amhist.ist.unomaha.edu/module...n-1917-700.jpg

http://i30.photobucket.com/albums/c3...7jjaxjpg-1.jpg

http://flickr.com/photos/pingnews/2903835288/