practice

USA's Bubba Watson plays out of a bunker during a practice session at Gleneagles Golf Course, Perthshire.

David Davies/PA

US golfer Bubba Watson plays out of a bunker during a practice session at Gleneagles in Perthshire ahead of the Ryder Cup

Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena...Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena  August 15, 2014. Each July 2 and August 16, almost without fail since the mid-1600s, 10 riders have hurtled bareback around Siena's shell-shaped central square in a desperate bid to win the Palio, a silk banner depicting the Madonna and child.

Stefano Rellandini/Reuters

Giuseppe Zedde of “Leocorno” or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena on Friday

Volunteers take a break during a rehearsal for the opening ceremony of the 14th IAAF World Championships in Moscow...Volunteers take a break during a rehearsal for the opening ceremony of the 14th IAAF World Championships at the Olympic stadium in Moscow August 7, 2013. The event will be held from August 10 to 18. REUTERS/Fabrizio Bensch (RUSSIA - Tags: SPORT ATHLETICS)

Fabrizio Bensch/Reuters

Volunteers take a break during a rehearsal on Wednesday for the opening ceremony of the 14th International Association of Athletics Federations World Championships at the Olympic stadium in MoscowRead more

Polo players practise on Watergate Bay beach in the Cornish sunshine ahead of this weekend Veuve Clicquot Polo on the Beach at Watergate Bay, North Cornwall, which is taking place on Saturday 18th and Sunday 19th May 2013.

Ben Birchall/PA

Polo players practise on Watergate Bay beach in the Cornish sunshine ahead of this weekend Veuve Clicquot Polo on the Beach at Watergate Bay, North Cornwall, which is taking place on Saturday 18th and Sunday 19th May 2013.