English operator: Panoramio described at URL: https://web.archive.org/web/20161027112932/http://www.panoramio.com/photo/75919104...
archive.org/web/20161031054159/http://www.panoramio.com/user/7911290?with_photo_id=117528904 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103162853/http://www.panoramio.com/user/6814993?with_photo_id=133007365 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015071639/http://www.panoramio.com/photo/35556733 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029144226/http://www.panoramio.com/photo/104377646...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030234514/http://www.panoramio.com/photo/117528707...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102145711/http://www.panoramio.com/photo/117528356...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028204009/http://www.panoramio.com/photo/104378483...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031125414/http://www.panoramio.com/photo/117528400...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028105235/http://www.panoramio.com/photo/104381313...