A British military camp on the Western front. One of a series of British aerial reconnaissance photographs recording the positions of trenches on the Western Front during the First World War. An original caption identifies various features inside a British military camp, including a square of Nissen huts (top left) and a set of circular earthworks built to protect bell tents by the roadside (top, centre). Nord-Pas de Calais or Picardie, France, 26 February 1918., Nord-Pas de Calais, France, West