English operator: Panoramio described at URL: https://web.archive.org/web/20161102081331/http://www.panoramio.com/photo/118535020 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031030013/http://www.panoramio.com/photo/118534942...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101223247/http://www.panoramio.com/photo/118534927...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102081417/http://www.panoramio.com/photo/118535027...