While international riders and national equestrian governing organizations obsess about stress that their horses may or may not experience in the transport to and heat/humidity index of Hong Kong this August for the horse sports portion of the 2008 Olympics, the host city is busy preparing for the big event, Reuters News Agency reports. Who better to be making promos for the Olympic riding events than Hong Kong’s own martial arts superstar (and Olympics good will envoy) Jackie Chan? Nice turnout, Jackie.