English operator: Panoramio described at URL: https://web.archive.org/web/20161013174446/http://www.panoramio.com/photo/26682411...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012210415/http://www.panoramio.com/photo/18388350...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014031432/http://www.panoramio.com/photo/28018754...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024103419/http://www.panoramio.com/photo/89401838...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013171939/http://www.panoramio.com/photo/27999055...
English operator: Panoramio described at URL: https://web.archive.org/web/20170506181637/http://www.panoramio.com/photo/113421797...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014134009/http://www.panoramio.com/photo/28018832...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028123523/http://www.panoramio.com/photo/106945681...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014090133/http://www.panoramio.com/photo/27999039...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028182015/http://www.panoramio.com/photo/90267934 determination method:...