English operator: Panoramio described at URL: https://web.archive.org/web/20161031010704/http://www.panoramio.com/photo/113258122...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024170856/http://www.panoramio.com/photo/84380254...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103005758/http://www.panoramio.com/photo/96584792...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025055832/http://www.panoramio.com/photo/84380262...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026182413/http://www.panoramio.com/photo/74246068...
English operator: Panoramio described at URL: https://web.archive.org/web/20161124032706/http://www.panoramio.com/photo/35650742...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014161126/http://www.panoramio.com/photo/39177294 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029202400/http://www.panoramio.com/photo/96585040...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103165429/http://www.panoramio.com/photo/131567425...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103111132/http://www.panoramio.com/photo/131567398...