I've never seen this before. It's interesting to me to think that once the Lake Michigan ice thaws, the shadows won't show again until the next freeze.
Joe Tabacca/Sipa Press
14 February 2007- Chicago, Il-The Hancock buiiding casts a shadow (center) over a frozen snow covered Lake Michigan as the sun finally shines over Chicago, IL. USA. (Joe Tabacca / Sipa Press)