Calgary, Alberta skyline in the predawn looking southwest from the hill below 1st Ave NW. Photo by Chuck Szmurlo  taken March 6, 2007 with a Nikon D200 and a Nikon 12-24 f4 lens.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Cszmurlo" title="User:Cszmurlo">Cszmurlo</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).