History of Nottingham again as air raid shelters during World War II. A section of the cave network under the Broadmarsh Shopping Centre is now open as a tourist attraction, and some parts are still used as pub cellars. Another section of the caves, under the castle, is still in regular use as the indoor rifle range of the Nottingham Rifle Club. In addition, Ye Olde Trip to Jerusalem Inn, a pub that claims to be the oldest in Britain, is partly built into the cave system below the castle and still retains access from the beer cellars to the castle through the
Transport in Nottingham Bulwell. Route 15 of the National Cycle Network from Nottingham to Sleaford starts from Trent Bridge and passes by Holme Pierrepont National Watersports Centre, continuing on through Radcliffe on Trent and Bingham. The Big Track is a circular cycle route which follows the tow paths of the River Trent, Beeston Canal and Nottingham Canal. National Cycle Routes passing through Nottingham are maintained by volunteers from Sustrans. Cyclists in the Nottingham area are represented by Pedals (The Nottingham Cycling Campaign). East Midlands Airport in Leicestershire, served by low-cost international airlines, makes the city easily accessible from other parts of the world