Watch For These Teenagers At The  2012 Summer Olympics In London

Every four years, a new breed of determined youngsters make their way to the world's most competitive arena with one dream in mind - To compete against the world's best athletes and make their country proud by bringing home the Olympic gold medal. This year is no different. On the eve of the opening ceremony of the 2012 Summer Olympics in London, here are a few of the many youngsters you will be cheering on starting tomorrow, and for many years to come.