Motion, the change of position of one object with respect to another
Updated: Mar 12, 2007 8:32pm PST
Pictures taken in Lincoln Park Zoo during the 2006 holiday zoo lights ...
Updated: Dec 10, 2006 9:13am PST
Trip to Shedd Aquarium with special exhibits on lizards, 10/28/06. No ...
Updated: Oct 29, 2006 4:36pm PST