English operator: Panoramio described at URL: https://web.archive.org/web/20161019145048/http://www.panoramio.com/photo/55049508...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031093522/http://www.panoramio.com/photo/119391710...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016181241/http://www.panoramio.com/photo/42250125...
archive.org/web/20161021065012/http://www.panoramio.com/user/5239458?with_photo_id=66457575 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102234815/http://www.panoramio.com/user/4982015?with_photo_id=98608733 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029143017/http://www.panoramio.com/photo/105160860...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114124150/http://www.panoramio.com/photo/42249199...
archive.org/web/20161021001306/http://www.panoramio.com/user/6360924?with_photo_id=61566406 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114124118/http://www.panoramio.com/photo/42249202...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026162023/http://www.panoramio.com/photo/80425611 determination method...