Trench Warfare in World War 1

The prevalent conduct of war on the Western Front of the First World War is unmistakably trench warfare. The trenches with knee deep mud are a war theatre as well as home to the soldiers. But how does it look like inside a trench? How is it constructed? Indy took a look and explains why and how the trenches could be the base for a war between 1914 and 1918 and how life was inside a trench.