Athletes heat up for London Olympics Cuba's Olympic hurdling champion Dayron Robles trains in Havana, May 8, 2012.[Photo/Agencies] Fra...

Athletes heat up for London Olympics

Cuba's Olympic hurdling champion Dayron Robles trains in Havana, May 8, 2012.[Photo/Agencies]

Francois Coulombe-Fortier works out with Christian Castonguay during the Ste-Foy taekwondo club's training session at Laval University in Quebec City May 9, 2012.[Photo/Agencies]

Francois Coulombe-Fortier tapes his foot during the Ste-Foy taekwondo club's training session at St Francois school's gym in Quebec City, May 8, 2012. The Canadian taekwondo team for the 2012 London Olympics will be exclusively composed of athletes coached by Master Alain Bernier from club. Francois Coulombe-Fortier will compete in the men's +80kg division. [Photo/Agencies]

Tunisian rower Aymen Mejri prepares his equipment during preparations for the 2012 London Olympic Games, in Tunis May 9, 2012. [Photo/Agencies]

Chilean swimmer Kristel Kobrich attends a training session at the National Stadium pool at Santiago, April 12, 2012. [Photo/Agencies]

Karine Sergerie stretches after the Ste-Foy taekwondo club's training session at St Francois school's gym in Quebec City, May 8, 2012. The Canadian taekwondo team for the 2012 London Olympics will be exclusively composed of athletes coached by Master Alain Bernier from the club. Karine Sergerie will compete in the women's -67kg division. [Photo/Agencies]

Austrian former World table tennis Champion Werner Schlager and compatriot Chen Weixing take a rest during a training session in Schwechat outside Vienna May 2, 2012. Schlager and Chen will participate at the 2012 Olympic Games. [Photo/Agencies]