English operator: Panoramio described at URL: https://web.archive.org/web/20161101070618/http://www.panoramio.com/photo/110275253...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025102113/http://www.panoramio.com/photo/75711160...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102201724/http://www.panoramio.com/photo/122369575...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030142757/http://www.panoramio.com/photo/122370171...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101014321/http://www.panoramio.com/photo/110275290 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103203032/http://www.panoramio.com/photo/132550976...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027164912/http://www.panoramio.com/photo/93088669...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030010012/http://www.panoramio.com/photo/94608619...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101005912/http://www.panoramio.com/photo/122811014...
archive.org/web/20161030232055/http://www.panoramio.com/user/2184098?with_photo_id=121419822 operator: Panoramio described at URL: https://web.archive...