Helen McKee , from Kent , said she bought her family along to enjoy a once-in-a-lifetime spectacle . Diamond Jubilee of Britain 's Queen Elizabeth II marked with river pageant . Tens of thousands celebrate along the banks of the Thames . Score: 6 Music and fireworks , street parties and festivals to mark 60th anniversary .
Diamond Jubilee of Britain 's Queen Elizabeth II marked with river pageant . Tens of thousands celebrate along the banks of the Thames . Score: 6 Music and fireworks , street parties and festivals to mark 60th anniversary .