English operator: Panoramio described at URL: https://web.archive.org/web/20161029173530/http://www.panoramio.com/photo/90505827...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016142053/http://www.panoramio.com/photo/49231768 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030004153/http://www.panoramio.com/photo/97747489...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030003819/http://www.panoramio.com/photo/97747484...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030003329/http://www.panoramio.com/photo/97747481...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028194140/http://www.panoramio.com/photo/97747490...
archive.org/web/20161016151246/http://www.panoramio.com/user/3057152?with_photo_id=49232250 operator: Panoramio described at URL: https://web.archive...