17/19 These were wonderful, but they could not compare in dignity and grandeur with the great mine of La Boisselle. _The Butte de Warlencourt._] Working out on the Somme, in the evenings as the sun was going down, (p. 049) one heard constantly a drone of aeroplanes, which quickly grew louder and louder, and before one could think, two of these great birds would pass just over one's head, quite close to the ground. A couple of minutes later, Bang! bang! bang! bang! and the boom and crash of the guns. Presently you would see the two birds, high up, returning to their aerodrome. |