English operator: Panoramio described at URL: https://web.archive.org/web/20161025115317/http://www.panoramio.com/photo/89084773...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011145827/http://www.panoramio.com/photo/9361415...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025115404/http://www.panoramio.com/photo/89084775...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024213731/http://www.panoramio.com/photo/89084760...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021083704/http://www.panoramio.com/photo/50471687...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021171208/http://www.panoramio.com/photo/50204104...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017110539/http://www.panoramio.com/photo/49222182...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031162847/http://www.panoramio.com/photo/129171664...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024184340/http://www.panoramio.com/photo/89084739...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031162805/http://www.panoramio.com/photo/129171661 determination method...