Keywords: Big old cannon at Fort York's NW corner, 2015 09 10 (1) (21146649778).jpg Big old cannon at Fort York's NW corner 2015 09 10 1 https //www flickr com/photos/55289779 N00/21146649778/ Big old cannon at Fort York's NW corner 2015 09 10 1 2015-09-10 12 32 https //www flickr com/people/55289779 N00 booledozer 43 639152 -79 404334 source Flickr cc-by-sa-2 0 booledozer https //flickr com/photos/55289779 N00/21146649778 2015-09-19 00 52 19 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 |