Veins are seen on the horse Clifton Promise while mounted by New Zealand rider Jonathan Paget during training for the equestrian eventing competition - Photo

Wednesday July 25, 07:13 PM
Veins are seen on the horse Clifton Promise while mounted by New Zealand rider Jonathan Paget during training for the equestrian eventing competition in Greenwich Park at the 2012 Summer Olympics, Wednesday, July 25, 2012, in London. (AP Photo/David Goldman)