English operator: Panoramio described at URL: https://web.archive.org/web/20161023235019/http://www.panoramio.com/photo/54712493...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014210306/http://www.panoramio.com/photo/34624602...
English operator: Panoramio described at URL: https://web.archive.org/web/20161119095711/http://www.panoramio.com/photo/44933523...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017184921/http://www.panoramio.com/photo/44876953...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021164233/http://www.panoramio.com/photo/54712635...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017051728/http://www.panoramio.com/photo/44877027...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017192022/http://www.panoramio.com/photo/46496391 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020024718/http://www.panoramio.com/photo/54712660 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017151756/http://www.panoramio.com/photo/44875422...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011082705/http://www.panoramio.com/photo/9079118...