War dogs search for the traces of enemy in the battlefield in Vosges region of France.

French soldiers with war dogs in Vosges region of France during World War I. French soldiers with war dogs advance on the front. A soldier covers the mouth of a dog. Leashes are tied around the necks of dogs. The dogs move in trenches and on the field. Bombardment on the field. Smoke arises due to bombardment. A dead body of a soldier on the field. Dogs in the field.