English operator: Panoramio described at URL: https://web.archive.org/web/20161023052507/http://www.panoramio.com/photo/53028914...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020131612/http://www.panoramio.com/photo/61580636...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020185557/http://www.panoramio.com/photo/62108193...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022063431/http://www.panoramio.com/photo/62108136...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016200133/http://www.panoramio.com/photo/44848420...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025151341/http://www.panoramio.com/photo/84574330...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020035603/http://www.panoramio.com/photo/67222640...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021231716/http://www.panoramio.com/photo/67222691...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023124950/http://www.panoramio.com/photo/53485535...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017145622/http://www.panoramio.com/photo/44528916 determination method...