English operator: Panoramio described at URL: https://web.archive.org/web/20161031004203/http://www.panoramio.com/photo/113339419...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031051405/http://www.panoramio.com/photo/123073949...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030202214/http://www.panoramio.com/photo/121648116...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102015012/http://www.panoramio.com/photo/112072513 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102054041/http://www.panoramio.com/photo/121648010...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102054146/http://www.panoramio.com/photo/121648011...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101093012/http://www.panoramio.com/photo/113339250...