English operator: Panoramio described at URL: https://web.archive.org/web/20161102124819/http://www.panoramio.com/photo/30251369...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023154224/http://www.panoramio.com/photo/51703893...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023022037/http://www.panoramio.com/photo/51153090...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014190444/http://www.panoramio.com/photo/36974337...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023143352/http://www.panoramio.com/photo/51703985...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021160436/http://www.panoramio.com/photo/51704079...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014184752/http://www.panoramio.com/photo/36974300 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014162658/http://www.panoramio.com/photo/36974264 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102124749/http://www.panoramio.com/photo/30251392...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102124654/http://www.panoramio.com/photo/30251526...