English operator: Panoramio described at URL: https://web.archive.org/web/20161101204346/http://www.panoramio.com/photo/117916449...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027183041/http://www.panoramio.com/photo/108112960...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027183338/http://www.panoramio.com/photo/108112968...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103185537/http://www.panoramio.com/photo/108112983...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102210330/http://www.panoramio.com/photo/108113001...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030130120/http://www.panoramio.com/photo/108113010...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027183221/http://www.panoramio.com/photo/108112964...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028011520/http://www.panoramio.com/photo/108112971...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027225914/http://www.panoramio.com/photo/108112956...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029220922/http://www.panoramio.com/photo/108112997 determination method...