During Illuminate MI on Dec. 2, the city and the Mercer Island Firefighters IAFF Local 1762 presented a tree lighting at Mercerdale Park and a Firehouse Munch with chili on the menu at Station 91. Also at Mercerdale, the Mercer Island High School choir performed, and over at the firehouse, there was more singing, Santa photos, an art fair and other activities. Photo courtesy of the city of Mercer Island