English operator: Panoramio described at URL: https://web.archive.org/web/20161023130914/http://www.panoramio.com/photo/57028571...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023231838/http://www.panoramio.com/photo/57028128...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014151552/http://www.panoramio.com/photo/30373556...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024231150/http://www.panoramio.com/photo/88334129...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024112851/http://www.panoramio.com/photo/88333911...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027104003/http://www.panoramio.com/photo/88333936...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025163610/http://www.panoramio.com/photo/88333923 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025112415/http://www.panoramio.com/photo/88334025 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025211342/http://www.panoramio.com/photo/88334223...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026190945/http://www.panoramio.com/photo/88334151...