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Keywords from Image Description:
john mcgrew johnmcgrew world war one worldwarone th aero group thaerogroup burg pfalzgrafenstein burgpfalzgrafenstein die pfalz bei kaub diepfalzbeikaub kaub rhein aerial photography aerialphotography aerial photograph aerialphotograph aerial photo aerialphoto pfalzgrafenstein castle pfalzgrafensteincastle river rhein riverrhein rhein