Briefing images issued by INS Department of Propaganda, November 2004

'It may be thought that air photography loses much of its value when history takes over from prehistory, for by definition this transition occurs when written material, as distinguished from all other records of the past, becomes available in adequate measure.' (M. D. Knowles, 'Air Photography and History' in J. K. S. St Joseph, ed., The Uses of Air Photography, London: John Baker, 1966)

Dorchester, Oxfordshire, UK. This site lies on gravel above the flood-plain of the river Thame [...]. Within the right-hand enclosure are large number of small regularly oriented marks, apparently graves of an early Christian cemetery. Traces of buildings, in timber, also appear [...]