English operator: Panoramio described at URL: https://web.archive.org/web/20161119095022/http://www.panoramio.com/photo/20207075...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011005503/http://www.panoramio.com/photo/1203890...
English operator: Panoramio described at URL: https://web.archive.org/web/20161010020749/http://www.panoramio.com/photo/7794852...
archive.org/web/20161017171921/http://www.panoramio.com/user/632893?with_photo_id=48106746 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025082126/http://www.panoramio.com/user/6968470?with_photo_id=85105206 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012155857/http://www.panoramio.com/photo/11279429...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030193439/http://www.panoramio.com/photo/121105237...
archive.org/web/20161012134152/http://www.panoramio.com/user/2147063?with_photo_id=13265101 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161012084834/http://www.panoramio.com/user/626690?with_photo_id=18054352 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023121427/http://www.panoramio.com/photo/66653578 determination method:...