English operator: Panoramio described at URL: https://web.archive.org/web/20161025015543/http://www.panoramio.com/photo/77294232...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031202530/http://www.panoramio.com/photo/123594408...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101065941/http://www.panoramio.com/photo/123594195...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102072337/http://www.panoramio.com/photo/123594340...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031065852/http://www.panoramio.com/photo/123594160 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029040704/http://www.panoramio.com/photo/93479448...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030180605/http://www.panoramio.com/photo/123594377...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101084555/http://www.panoramio.com/photo/123594441...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102213605/http://www.panoramio.com/photo/123594382...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030180502/http://www.panoramio.com/photo/123594372...