silence from everybody. i think that was the moment it really sunk in that how big this occasion was because we could hear the crowds outside yelling and cheering. >> the streets of london are packed, an unprecedented 752 million people are watching the pageantry, the majesty, the unbridled excitement as the horse-drawn carriage carries lady diana spencer to st. paul's cathedral. >> she looks like a butterfly emerging from chrysalis, completely different world. she was going to be a princess. >> and she goes down the aisle,