English operator: Panoramio described at URL: https://web.archive.org/web/20161103000457/http://www.panoramio.com/photo/109057001...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029082734/http://www.panoramio.com/photo/109856165 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030034639/http://www.panoramio.com/photo/109857195 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029201801/http://www.panoramio.com/photo/109939115 determination method...