English operator: Panoramio described at URL: https://web.archive.org/web/20161023121008/http://www.panoramio.com/photo/68113645...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031064320/http://www.panoramio.com/photo/117671154 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024012359/http://www.panoramio.com/photo/65426178 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030113848/http://www.panoramio.com/photo/96185562 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161112165015/http://www.panoramio.com/photo/48330284 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161014061303/http://www.panoramio.com/photo/26799278 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025113034/http://www.panoramio.com/photo/80197374...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027013346/http://www.panoramio.com/photo/71534660 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026174244/http://www.panoramio.com/photo/71535080...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024225155/http://www.panoramio.com/photo/87848785...