Sunrise photos

I usually try to be at work by 7:00 a.m. During this time of year, that usually means arriving during the dark (and sometimes coming home in the dark). One of the advantages, however, is viewing the sunrise from our part of the office building. The past few days we have witnessed some beautiful sunrises and I took our office camera (Nikon D-70) and snapped several photos. These photos were taken of separate sunrises over the Chicago skyline.