Saw this on io9.com:

 

http://www.westernfrontphotography.com/main.php

 

If you'd like to read the io9 article, here is a link:

 

http://io9.com/sobering-images-show-famous-world-war-i-battle-sites-a-1581624280

Powerful stuff. I still remember my trip to Normandy about 10 years ago. I mostly remember how "wavy" the ground was, from shelling/bombing.