No one really knows for sure.
www.visa.com/goworld
Visa Go World Commercial for the 2008 Beijing Olympics.
Funny to think that when he was young, Michael Phelps was afraid to put his head underwater. Because at 15, he qualified for the 2000 Olympic Games in swimming. Four yeats later, he created new world records, bringing home eight medals- six of them gold. So, while as a wonder- are those really strong arms, or are they fins?
