English operator: Panoramio described at URL: https://web.archive.org/web/20161018023016/http://www.panoramio.com/photo/48209615...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023145320/http://www.panoramio.com/photo/51073758...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023141340/http://www.panoramio.com/photo/53189326...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021075708/http://www.panoramio.com/photo/51071326...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016192826/http://www.panoramio.com/photo/45968052...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016210749/http://www.panoramio.com/photo/45968190...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020033509/http://www.panoramio.com/photo/56369795...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021044417/http://www.panoramio.com/photo/56369964 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022074448/http://www.panoramio.com/photo/51025873 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016185330/http://www.panoramio.com/photo/45380688 determination method...