Lombard Street is one of the winding streets in America. It is the most famous street in San Francisco, built in 1922 to connect Hyde Street with Leavenworth Road, winding down the steep slopes to 40 degrees, as Day Street. Way down, with a sharp curve to eight points along the curve is decorated with beautiful flowers. There are two pedestrian walkways. Sandwiched with the expensive old mansion of the billionaires in this neighborhood. This road is always a tourist destination.