Photos: Swimmers test the waters in the Games pool

Tom Daley of Great Britain shakes water off his hair as he climbs out of the pool during a training session ahead at the Aquatics Centre in Olympic Park, in London.

Britain's Olympic poster boy Tom Daley became a household name at the Beijing Games four years ago. He was the youngest member of the team.

Having won the 10-metre platform World title in 2009 there are a lot of expectations from him atthe coming Games.

Ryan Lochte of the United States dives off of the starting block during a training session.

German love birds Britta Steffen and Paul Biedermann share a kiss during a training session.

Kenrick Monk of Australia stretches on the pool deck.

Michael Phelps has dropped the 200 metres freestyle from his schedule at London Olympics, leaving him with seven events for his Games swansong.

-Phelps's great haul of China

The American qualified for eight events at the US Trials, the same number he swam at Athens in 2004 and Beijing in 2008, but ditched the freestyle to focus on the relays.

Triple Olympic champion Stephanie Rice would have ditched this season out of sheer frustration at her shoulder injury were it not for the London Games.