English operator: Panoramio described at URL: https://web.archive.org/web/20161102212132/http://www.panoramio.com/photo/109934216...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102212134/http://www.panoramio.com/photo/109934217...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028194137/http://www.panoramio.com/photo/109934206...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029215905/http://www.panoramio.com/photo/109934252...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028161145/http://www.panoramio.com/photo/109934260...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030065820/http://www.panoramio.com/photo/109934364 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103002532/http://www.panoramio.com/photo/125153984...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013112225/http://www.panoramio.com/photo/16290853...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025173923/http://www.panoramio.com/photo/80595673...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024012131/http://www.panoramio.com/photo/62237405...