500
Use your five senses (sight, sound, taste, touch, smell) to describe trench warfare.
sight - dead bodies, barbed wire, rats, trenches, etc...
sound - bombs, planes, screaming from pain, rats, etc...
taste - blood, gas, dirt, bad food etc...
touch/feel - muddy trenches, battle wounds, cold, etc...
smell - bodies, ammunition, gas, fire, etc...