Does the London Avenue Canal or  Riverside Canal run through the 4th ward?
London Avenue Canal The London Avenue Canal is a drainage canal in New Orleans, Louisiana, used for pumping rain water into Lake Pontchartrain. The Canal runs through the 7th Ward of New Orleans from the Gentilly area to the Lakefront. It is one of the three main drainage canals responsible for draining rainwater from the main basin of the city of New Orleans. The London Avenue Canal's flood walls built atop earthen levees breached on both sides during Hurricane Katrina in 2005.
Christopher Street Pier The Christopher Street Pier is a group of piers in Hudson River Park on the Hudson River waterfront of Greenwich Village, Manhattan, New York City, numbered 42, 45, 46, and 51. "Christopher Street Pier" usually refers specifically to Pier 45 opposite W. 10th Street, which can be reached by crossing West Street.