Military vehicles on the battlefields of the First World

Now the military equipment of World War seems something very outdated, but 100 years ago it was the most advanced machines, which had hitherto unseen power. In place of the usual machine guns rifles came, instead of cavalry were used armored vehicles and tanks, aircraft climbed into the sky, guns started firing at long distances, and poisonous gases carried terrible loss of life. All of this will be discussed further.