English operator: Panoramio described at URL: https://web.archive.org/web/20161025225717/http://www.panoramio.com/photo/89176317...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026012535/http://www.panoramio.com/photo/89176508...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024111229/http://www.panoramio.com/photo/89177167...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025151531/http://www.panoramio.com/photo/89176864 determination method...