archive.org/web/20161025213837/http://www.panoramio.com/user/3451949?with_photo_id=85725035 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020232819/http://www.panoramio.com/user/6346229?with_photo_id=61630475 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023201259/http://www.panoramio.com/user/3972095?with_photo_id=57676891 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029021930/http://www.panoramio.com/user/3794713?with_photo_id=103160167 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021180358/http://www.panoramio.com/photo/20204682 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013130707/http://www.panoramio.com/photo/27021245 determination method...