Snapshots: the world in 24 hours, May 13

Michael Phelps prepares to swim in the men's 200-meter freestyle finals during the USA Swimming Grand Prix Charlotte Ultra Swim in Charlotte, North Carolina May 13, 2011. [Photo/Agencies] 

Barcelona's players toss coach Pep Guardiola during celebrations for winning the Spanish league first division at Nou Camp stadium in Barcelona May 13, 2011. [Photo/Agencies]