English operator: Panoramio described at URL: https://web.archive.org/web/20161026190023/http://www.panoramio.com/photo/84894979...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031112155/http://www.panoramio.com/photo/126039100...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027054804/http://www.panoramio.com/photo/84896390 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161010025151/http://www.panoramio.com/photo/9171581...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101014606/http://www.panoramio.com/photo/123880825...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101165448/http://www.panoramio.com/photo/123880773...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103021829/http://www.panoramio.com/photo/123880738...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101174154/http://www.panoramio.com/photo/123880890...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031162707/http://www.panoramio.com/photo/127825189...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102155551/http://www.panoramio.com/photo/123880850...