Keywords: Big old cannon at Fort York's NW corner, 2015 09 10 (2) (21147591729).jpg Big old cannon at Fort York's NW corner 2015 09 10 2 https //www flickr com/photos/55289779 N00/21147591729/ Big old cannon at Fort York's NW corner 2015 09 10 2 2015-09-10 12 32 https //www flickr com/people/55289779 N00 booledozer 43 639105 -79 404373 source Flickr cc-by-sa-2 0 booledozer https //flickr com/photos/55289779 N00/21147591729 2015-09-19 00 52 44 cc-by-sa-2 0 2012092210003274 Photographs by Geo Swan 2015 in Toronto Taken with Sony DSC-HX50V Large gunpowder cannons on display defending old Fort York |