LevelItemDescriptionThe summits of Corn Du and Pen-y-Fan in the Brecon Beacons, viewed from the north west. Oblique aerial photograph taken under snowy conditions during the Royal Commission?s programme of archaeological aerial reconnaissance by Toby Driver on 15th January 2013.ArchiveAP - RCAHMW Colour Oblique Digital Aerial PhotographsDateArchive Number6532681