English operator: Panoramio described at URL: https://web.archive.org/web/20161025182827/http://www.panoramio.com/photo/76902890...
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 842 459 1760...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028075413/http://www.panoramio.com/photo/94355646...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019190523/http://www.panoramio.com/photo/51399896...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023055525/http://www.panoramio.com/photo/56620975...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028151037/http://www.panoramio.com/photo/97975136...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101040240/http://www.panoramio.com/photo/124810562...
archive.org/web/20161016171217/http://www.panoramio.com/user/5275537?with_photo_id=47234639 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014143448/http://www.panoramio.com/user/1320307?with_photo_id=38319380 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103001724/http://www.panoramio.com/photo/99753118 determination method...