English operator: Panoramio described at URL: https://web.archive.org/web/20161029113904/http://www.panoramio.com/photo/105107945...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028010220/http://www.panoramio.com/photo/91454061...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028104953/http://www.panoramio.com/photo/91454049...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029071605/http://www.panoramio.com/photo/91454054 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015073800/http://www.panoramio.com/photo/34452630...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014214227/http://www.panoramio.com/photo/34452663...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114120058/http://www.panoramio.com/photo/48984083...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114115445/http://www.panoramio.com/photo/48984944...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114143353/http://www.panoramio.com/photo/49197238...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114115548/http://www.panoramio.com/photo/48984898...