Royal Ascot

A racehorse is cooled down after competing on the fourth day of the Royal Ascot horse racing festival at Ascot in southern England...A racehorse is cooled down after competing on the fourth day of the Royal Ascot horse racing festival at Ascot in southern England June 21, 2013. REUTERS/Toby Melville (BRITAIN - Tags: SPORT HORSE RACING SOCIETY ANIMALS)

Toby Melville/Reuters

A racehorse is cooled down after competing on the fourth day of the Royal Ascot horse racing festival at Ascot in southern England on Friday.

Racegoers wearing top hats and tails stand next to police officers during Ladies' Day at the Royal Ascot horse racing festival at Ascot, southern England June 20, 2013.

Darren Staples/Reuters

Racegoers wearing top hats and tails stand next to police officers during Ladies’ Day at Royal Ascot, southeast England on Thursday.

A steward studies the race card on the second day of the Royal Ascot horse racing festival at Ascot...A steward studies the race card on the second day of the Royal Ascot horse racing festival at Ascot, southern England, June 19, 2013. REUTERS/Darren Staples (BRITAIN - Tags: SPORT HORSE RACING SOCIETY TPX IMAGES OF THE DAY)

Darren Staples/Reuters

A steward studies the race card on the second day of the Royal Ascot horse racing festival at Ascot, southern England on Wednesday.