Did you know that 88% of British solders fighting in the trenches in WWI survived?
That's what this awesome BBC site on trench warfare in WWI seeks to explain. You can scroll through great graphics like the one below which explain different aspects of trench warfare from a typical day, to how often soldiers were in the firing line, to how the trenches kept men safe, to life behind the lines, and much more.
This guide on trench warfare is part of a BBC series of guides on WWI called IWonder guides. All are interactive like this trench warfare guide.