archive.org/web/20161102041939/http://www.panoramio.com/user/3528263?with_photo_id=115748640 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025192627/http://www.panoramio.com/user/6320562?with_photo_id=73228535 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026073217/http://www.panoramio.com/user/6320562?with_photo_id=73228584 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022050316/http://www.panoramio.com/photo/20224867...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101152809/http://www.panoramio.com/photo/113726959 determination method...
archive.org/web/20161010170544/http://www.panoramio.com/user/1039651?with_photo_id=5538220 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161112220041/http://www.panoramio.com/user/1816242?with_photo_id=41725859 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103032433/http://www.panoramio.com/photo/133868458...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026194038/http://www.panoramio.com/photo/74025301...
archive.org/web/20161014205518/http://www.panoramio.com/user/1513503?with_photo_id=38493152 operator: Panoramio described at URL: https://web.archive...