English operator: Panoramio described at URL: https://web.archive.org/web/20161013224249/http://www.panoramio.com/photo/27134691 determination method...
Panoramio described at URL: https://web.archive.org/web/20161026234811/http://www.panoramio.com/photo/23125328 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101065840/http://www.panoramio.com/photo/25488329...
archive.org/web/20161101065447/http://www.panoramio.com/user/1327077?with_photo_id=25488335 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161101064901/http://www.panoramio.com/user/1327077?with_photo_id=25488381 operator: Panoramio described at URL: https://web.archive...
