Rider Gina Miles of the U.S. gestures as riding her horse Mckinlaigh during eventing dressage competition held at Hong Kong Olympic Equestrian Venue (Sha Tin) in the Olympic co-host city of Hong Kong, south China, Aug. 9, 2008. The 2008 Beijing Olympic equestrian events kicked off here Saturday morning.[Lui Siu Wai/Xinhua]