If you look at footage of the Newfoundland Regiment, you see they are at rest and giddy and being silly with one another. Silliness is the antidote to trench warfare.
Beaumont-Hamel sits within a thousand acres of French agriculture. The trenches are under this blanket of grass. In the 1920s, a park was established here and trees from Newfoundland imported to encircle the battlefield so you get the feeling of being within a copse of woods.