With 2008 racing from winter to summer with nary a hint of spring to be scented, mid-May finds us enjoying glorious weather and turning our thoughts to happy days at the local lido. Despite dozens of closures over the years since the lido's post-war heyday - inspiring such evocative imagery of lost sites in books like Paul Talling's Derelict London - many of London's lidos are still going strong, and some, like London Fields,......