he has been swimming since he was five
Tom has always been swimming since a small boy. He progressed to Olympic diving at 14-years-old.
Dawn Fraser has been in the sport of swimming for 28 years.
since 2500 BC
Since he was 7 or 8-years-old. He will be 18 on 21 May 2012 so he has been diving about 10 years now.
As many as he wants!
Swimming pool go back at least to Roman times Pre 2,000 years many of them were even heated.