A variety of pen-and-ink drawings depict images associated with World War I.
The image includes drawings of soldiers, airplanes, guns, cannons, and boots.
A soldier wearing a helmet peers down the scope of a vintage artillery piece. Soldiers wearing different types of uniforms hold various weapons.
A stone World War I memorial in Washington, D.C. is photographed among the colorful white, green, and red trees. The landmark features architecture that includes pillars and stone columns.
A monument of a soldier from World War I is photographed against a backdrop of fall foliage. The dull gray color of the statue stands in stark contrast to the gold, red, orange, and green trees. A bright blue sky peeks out from behind the trees.
Antique airplanes are reminiscent of an era gone by. This photo shows the rotary motor and wooden propeller of a red World War I era biplane that is on display at the Air & Space Museum in San Diego's Balboa Park.