Pictures Detroit Students Clean Up Belle Isle December 3, 2010 / 5:42 PM EST / CBS News detroit-students-cleanup-1 detroit-students-cleanup-2 detroit-students-cleanup-3 detroit-students-cleanup-4 detroit-students-cleanup-5 detroit-students-cleanup-6 detroit-students-cleanup-7 File photo (WWJ) detroit-students-cleanup-8 detroit-students-cleanup-9