Trenches in World War I were zigzagged so an enemy soldier couldn't fire down the length of the trench in a straight line. A similar concept is being used to rethink school hallways.
Alex Horton, Washington Post U.S.
Thu, 08/22/2019 - 2:58pm
Trenches in World War I were zigzagged so an enemy soldier couldn't fire down the length of the trench in a straight line. A similar concept is being used to rethink school hallways.