Photos: Sub-zero temps steam up Duluth Lift Bridge, breakwater

Crack photographer Derek Montgomery braved the bitter cold this morning in Duluth and sent us these shots.

Sea smoke rises from Lake Superior over the North Breakwater Lighthouse during sunrise Friday, Dec. 6, 2013 near Canal Park in Duluth, Minn. (Derek Montgomery / For MPR News) Sea smoke rises from Lake Superior over the North Breakwater Lighthouse during sunrise Friday, Dec. 6, 2013 near Canal Park in Duluth, Minn. (Derek Montgomery / For MPR News) Sea smoke rises from Lake Superior over the Aerial Lift Bridge during sunrise Friday, Dec. 6, 2013 near Canal Park in Duluth, Minn. (Derek Montgomery / For MPR News) Sea smoke rises from Lake Superior over the North Breakwater Lighthouse during sunrise Friday, Dec. 6, 2013 near Canal Park in Duluth, Minn. (Derek Montgomery / For MPR News) Sea smoke rises from Lake Superior over the North Breakwater Lighthouse during sunrise Friday, Dec. 6, 2013 near Canal Park in Duluth, Minn. (Derek Montgomery / For MPR News)