English operator: Panoramio described at URL: https://web.archive.org/web/20161031054247/http://www.panoramio.com/photo/114953586...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023090246/http://www.panoramio.com/photo/66310492...
English operator: Panoramio described at URL: https://web.archive.org/web/20161122174824/http://www.panoramio.com/photo/33202929 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025095226/http://www.panoramio.com/photo/81116342...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014175526/http://www.panoramio.com/photo/33308159...
archive.org/web/20161017073057/http://www.panoramio.com/user/642024?with_photo_id=49516528 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015063201/http://www.panoramio.com/photo/33308133...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014170210/http://www.panoramio.com/photo/33308104...
archive.org/web/20161014181510/http://www.panoramio.com/user/4273456?with_photo_id=33308256 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015121241/http://www.panoramio.com/user/4273456?with_photo_id=33308204 operator: Panoramio described at URL: https://web.archive...
