Odaiba and central Tokyo are linked by the Rainbow Bridge. It was built in 1993 and has become a symbol of modern Tokyo. This bridge is 570 meters long. Rainbow Bridge has two levels. The upper one is for cars and the lower one is for trains. It’s said that a night drive along Rainbow Bridge is for young couples. It’s really romantic. You can enjoy both the high-tech bright lights of Odaiba and the futuristic glow of the metropolis. The trains, called “Yurikamome,” are operated automatically, so they don’t have drivers.