English operator: Panoramio described at URL: https://web.archive.org/web/20161013025727/http://www.panoramio.com/photo/18505063 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161119051415/http://www.panoramio.com/photo/18505274 determination method...
archive.org/web/20161012114137/http://www.panoramio.com/user/150095?with_photo_id=18505151 operator: Panoramio described at URL: https://web.archive...