English operator: Panoramio described at URL: https://web.archive.org/web/20161029130419/http://www.panoramio.com/photo/103694874...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101022737/http://www.panoramio.com/photo/99849233...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029101131/http://www.panoramio.com/photo/99850092...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028164458/http://www.panoramio.com/photo/99853406...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028130300/http://www.panoramio.com/photo/103695051...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030021623/http://www.panoramio.com/photo/103695958...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030092206/http://www.panoramio.com/photo/99848185...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029191353/http://www.panoramio.com/photo/99546592...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028164502/http://www.panoramio.com/photo/99853407 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102215851/http://www.panoramio.com/photo/99545813...