English operator: Panoramio described at URL: https://web.archive.org/web/20161015054045/http://www.panoramio.com/photo/134094915...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101194459/http://www.panoramio.com/photo/119482000...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031011813/http://www.panoramio.com/photo/122607374...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031011814/http://www.panoramio.com/photo/122607375...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101134713/http://www.panoramio.com/photo/119481922...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101054003/http://www.panoramio.com/photo/119482026...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102175311/http://www.panoramio.com/photo/119441293 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101224633/http://www.panoramio.com/photo/120112648...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031011630/http://www.panoramio.com/photo/122607371 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031235853/http://www.panoramio.com/photo/121879289...