English operator: Panoramio described at URL: https://web.archive.org/web/20161030140926/http://www.panoramio.com/photo/113971688...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102071105/http://www.panoramio.com/photo/113971597...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102031405/http://www.panoramio.com/photo/113971807...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102031322/http://www.panoramio.com/photo/113971802...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101174033/http://www.panoramio.com/photo/113971810...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031193042/http://www.panoramio.com/photo/113971607...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030234218/http://www.panoramio.com/photo/113971648...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030203607/http://www.panoramio.com/photo/113971616...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030203609/http://www.panoramio.com/photo/113971619...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102031140/http://www.panoramio.com/photo/113971800 determination method...