-
Fire alarm speaker/strobe at John Hancock Center
-
Pavement markings for utility work
-
Fire alarm strobe at the 875 North Michigan Avenue observatory [01]
-
Fire alarm strobe at the 875 North Michigan Avenue observatory [02]
-
Exit sign in the lower lobby at 875 North Michigan Avenue
-
Stairs sign in the lower lobby at 875 North Michigan Avenue [02]
-
Stairs sign in the lower lobby at 875 North Michigan Avenue [01]