English operator: Panoramio described at URL: https://web.archive.org/web/20161012130753/http://www.panoramio.com/photo/14682891 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013043229/http://www.panoramio.com/photo/15592874...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013012020/http://www.panoramio.com/photo/15593332...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019010720/http://www.panoramio.com/photo/19364504...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012050001/http://www.panoramio.com/photo/15595871...