DescriptionCologne Cathedral - Cologne, Germany - panoramio.jpg Cologne Cathedral / Cologne, Germany Date Taken on 24 February 2008 Source https://web...
panoramio.com/user/31742?with_photo_id=8315099 operator: Panoramio described at URL: https://web.archive.org/web/20161010015311/http://www.panoramio.com/photo/8315099...
archive.org/web/20161015030820/http://www.panoramio.com/user/4205215?with_photo_id=37402714 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026002833/http://www.panoramio.com/user/156183?with_photo_id=80669506 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/191138?with_photo_id=1872566 operator: Panoramio described at URL: https://web.archive.org/web/20161012003750/http://www.panoramio...
archive.org/web/20161012180226/http://www.panoramio.com/user/1694752?with_photo_id=15778670 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015114710/http://www.panoramio.com/user/2353739?with_photo_id=33071869 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161022052209/http://www.panoramio.com/user/6238071?with_photo_id=57627989 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011225425/http://www.panoramio.com/photo/8315381 determination method or...
panoramio.com/user/43418?with_photo_id=83766669 operator: Panoramio described at URL: https://web.archive.org/web/20161025062535/http://www.panoramio...