New Public Art Installation In Downtown Tulsa Highlights City's Past, Bright Future A special piece of art is now on display outside the Cox Center in downtown Tulsa. The piece is called Highlight. Tirado says the giant two-pronged plug pays tribute to downtown Tulsa's Blue Dome District and represents the city's past reliance on natural resources. The electrical cord is made from metal that was created in Tulsa by American Pipe Bending. Then, the giant lightbulb, symbolizing Tulsa's bright future. Mayor G.T Bynum says Tulsa is an art city and this piece fits right in with the culture the city.