World War One: What Was Life Like In The Trenches? On Sunday, Wales stops to remember the efforts of those who fought in the First World War, which began a hundred years ago. In the first in a series of special reports, BBC Wales visited a reconstructed trench to find out what Welsh soldiers would have gone through during the conflict. The war to end all wars saw 270,000 Welshmen sign up - or were conscripted - for duty. By 1918, 40,000 of them had lost their lives - many of them in the trench warfare on the Western Front, Matt Murray, Sachin Krishnan and Tomos Dafydd report.