archive.org/web/20161027082145/http://www.panoramio.com/user/6950855?with_photo_id=73827676 operator: Panoramio described at URL: https://web.archive...
Horseshoe Falls 2134 1819 513 306 4896 2752 American Falls 849 1682 589 237 4896 2752 Rainbow Bridge 1377 2202 3236 527 4896 2752 Niagara Falls, Ontario 842...
archive.org/web/20161015035856/http://www.panoramio.com/user/1238588?with_photo_id=37974368 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015035820/http://www.panoramio.com/photo/37974360...
archive.org/web/20161015065136/http://www.panoramio.com/user/1238588?with_photo_id=37586156 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024214948/http://www.panoramio.com/photo/82396682 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024172823/http://www.panoramio.com/photo/82396735...
archive.org/web/20161015121046/http://www.panoramio.com/user/1238588?with_photo_id=37933744 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023164712/http://www.panoramio.com/user/6049705?with_photo_id=56471832 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015070746/http://www.panoramio.com/user/1238588?with_photo_id=37586123 operator: Panoramio described at URL: https://web.archive...