5925345 A British cavalry camp, part of the eastern Persian cordon, 1916 (b/w photo) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: A British cavalry camp, part of the eastern Persian cordon, 1916. Photograph, World War One, Persia (1914-1918). Despite Persia being neutral in the war, British and Russian troops occupied parts of the country. One British force formed a cordon along its eastern border against German and Turkish agents who were intent on encouraging anti-British unrest in Afghanistan and on the North West Frontier of India. From an album of 65 photographs compiled by Captain Edward ?Ned? Lorimer, Special Sqn 37th Lancers, later ?C? Sqn 41st Cavalry, East Persia, 1916 circa.); by National Army Museum ; out of copyright.