− 100% + Reset Photo provided by Pixabay Photo by ParentRap camouflaged road observation posts german bungalows pencil drawing soldier binoculars dudley j nelson wwi world war i world war one world war 1914-1918 installations captured military tactics facilities rustic hidden covered still image created 1917-1918 photographs from the new york public library brown library brown war brown drawing View photo and photographer on Pixabay Download View on Pixabay ↗