English operator: Panoramio described at URL: https://web.archive.org/web/20161031030550/http://www.panoramio.com/photo/127264973...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101235947/http://www.panoramio.com/photo/116786576...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030154430/http://www.panoramio.com/photo/120094364...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102125724/http://www.panoramio.com/photo/120094378...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030154429/http://www.panoramio.com/photo/120094363 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016210751/http://www.panoramio.com/photo/48594182...