English operator: Panoramio described at URL: https://web.archive.org/web/20161016222954/http://www.panoramio.com/photo/44620878 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016135036/http://www.panoramio.com/photo/44076010...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013235409/http://www.panoramio.com/photo/28419632...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014111852/http://www.panoramio.com/photo/28419057...