English operator: Panoramio described at URL: https://web.archive.org/web/20161020005319/http://www.panoramio.com/photo/52424612...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012102036/http://www.panoramio.com/photo/14842791...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013054722/http://www.panoramio.com/photo/14842673...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012022317/http://www.panoramio.com/photo/14842717...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013101706/http://www.panoramio.com/photo/16144593...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012021948/http://www.panoramio.com/photo/16144786 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013000303/http://www.panoramio.com/photo/14842754...