Horse drawn ammunition cart, Battle of the Somme, November 1916. Taking ammunition to the forward guns through a very muddy road, the horses are up to their knees in mud. During the first morning of the Battle of the Somme, 1 July 1916, 60,000 people were injured, 20,000 of whom were killed, making it the bloodiest day in battle ever. The total casualties for the entire battle were an estimated 1.2 million.
© NMeM / Daily Herald Archive / Science & Society Picture Library