A mined road 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. A small white circle on a main road running northeast to southwest indicates the explosion point of a mine. Several interconnecting trenches zig-zag their way across a patchwork of fields. Nord-Pas de Calais or Picardie, France, 8 March 1918., Nord-Pas de Calais, France, Western Europe, Europe .