Riders and horses compete during the "Grand Prix Moyglare Stud" of the White Turf races on the frozen lake in St. Moritz, Switzerland, Sunday, Feb., 17, 2013. (AP Photo/Keystone, Alexandra Wey) *** Local Caption *** Switzerland White Turf.JPEG-0a1f2.jpg
Action from the Grand Prix Credit Suisse skijoering race at White Turf. Alexandra Wey/AP
Riders and mounts race across the ice during the Sheikh Zayed bin Sultan al Nahyan cup at St. Moritz. Alexandra Wey/EPA
A host of races took place on the surface of the frozen lake, at altitude in Switzerland. Alexandra Wey/EPA
Jozef Bojko (l) rides Russian Tango to victory ahead of Winterwind, ridden by Filip Minarik, at the 'Grand Prix Guebelin 74. Grosser Preis von St. Moritz. Alexandra Wey/EPA
Andre Best on Niya competes during the 'Grand Prix The St. Leger Club of Lucerne' race. Alexandra Wey/EPA
Riders and horses compete on the ice at the White Turf races on a frozen lake in St. Moritz, Switzerland. Pic: Alexandra Wey/EPA
Riders and horses compete during the The Sheikh Zayed bin Sultan al Nahyan Cup - the first in a series of 12 races taking place around the world. Alexandra Wey/EPA