Londoners looking for a free glimpse of the capital's fireworks display this New Year's Eve are being urged to "stay away" from Tower Bridge and London Bridge.Recent years have seen revellers flock to the landmarks, leaving them congested with people.But City Bridge Foundation, which owns and maintains the river crossings, warns neither offer a view of London's main fireworks display.To ease overcrowding and avoid disappointment, the charity is asking people to stay away this December 31.