English operator: Panoramio described at URL: https://web.archive.org/web/20161024211232/http://www.panoramio.com/photo/72278350 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025202011/http://www.panoramio.com/photo/76931758...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026234834/http://www.panoramio.com/photo/81174914...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103050956/http://www.panoramio.com/photo/130566902...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022025425/http://www.panoramio.com/photo/60050520...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103051040/http://www.panoramio.com/photo/130566907...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023044048/http://www.panoramio.com/photo/51470615...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028055214/http://www.panoramio.com/photo/98626420...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029175928/http://www.panoramio.com/photo/100015737...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029134252/http://www.panoramio.com/photo/98319709 determination method...