Millions of eager Londoners line the Thames waterfront and gather in Trafalgar Square, waiting for the city to explode in a dazzling display of sparks and color. At midnight, the tower around Big Ben pulses with fiery blasts timed for the 12 strokes of the hour. All eyes then turn to the London Eye as the famous wheel produces a swirling fireworks and light show timed to British rock music echoing through the city.