This is an amazing dive sequence of Natalie Coughlin mid-air doing a perfect streamline within a fraction of a second. This is ballet at it's finest. It must have taken her years to get a reaction time that fast to assimilate a pose that graceful in summarily the blink of an eye. Just look at her feet placement too. She just compresses into a pencil.
This site is located in Brazil and it is worth a look a serious look through. [Link]