English operator: Panoramio described at URL: https://web.archive.org/web/20161029195620/http://www.panoramio.com/photo/107554103...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101215809/http://www.panoramio.com/photo/113763883...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102132034/http://www.panoramio.com/photo/107554076...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031224547/http://www.panoramio.com/photo/128935756 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028144246/http://www.panoramio.com/photo/107554146...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029213313/http://www.panoramio.com/photo/107554083...
archive.org/web/20161020210637/http://www.panoramio.com/user/6320562?with_photo_id=60314073 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013142045/http://www.panoramio.com/user/1378621?with_photo_id=26552724 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021084317/http://www.panoramio.com/user/6320562?with_photo_id=60314516 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021023537/http://www.panoramio.com/user/6320562?with_photo_id=60314324 operator: Panoramio described at URL: https://web.archive...