English operator: Panoramio described at URL: https://web.archive.org/web/20161016235758/http://www.panoramio.com/photo/41997790...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017112310/http://www.panoramio.com/photo/42417594...
English operator: Panoramio described at URL: https://web.archive.org/web/20161018023914/http://www.panoramio.com/photo/42417477 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017173615/http://www.panoramio.com/photo/42417544...