Sky’s the Limit, Art at O’Hare International Airport Sky’s The Limit. Michael Hayden, 1987. Neon lights, computer control system and music by George Gershwin. The tunnel connects Concourses B and C in Terminal one. It is claimed to be the world’s largest neon sculpture. Share this:ShareLinkedInFacebookTwitterPinterestTumblrRedditLike this:Like Loading...