English operator: Panoramio described at URL: https://web.archive.org/web/20161012062246/http://www.panoramio.com/photo/18373426 determination method...
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English operator: Panoramio described at URL: https://web.archive.org/web/20161101084721/http://www.panoramio.com/photo/127196364...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102164127/http://www.panoramio.com/photo/118040325...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011021524/http://www.panoramio.com/photo/8679161...
archive.org/web/20161013020438/http://www.panoramio.com/user/1868017?with_photo_id=15220752 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161017152049/http://www.panoramio.com/user/207803?with_photo_id=41561996 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161110194827/http://www.panoramio.com/user/1320307?with_photo_id=47690563 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025195740/http://www.panoramio.com/user/6366405?with_photo_id=77139450 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014163746/http://www.panoramio.com/user/2463694?with_photo_id=33462059 operator: Panoramio described at URL: https://web.archive...