English operator: Panoramio described at URL: https://web.archive.org/web/20161031121915/http://www.panoramio.com/photo/123916715...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015010212/http://www.panoramio.com/photo/39379934...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025010342/http://www.panoramio.com/photo/83405989...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031213455/http://www.panoramio.com/photo/123916730...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015132024/http://www.panoramio.com/photo/39929061...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101184844/http://www.panoramio.com/photo/123916654 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031213638/http://www.panoramio.com/photo/123916735...