Exotic Martial Arts World Champion Annika Kahn practising Oriental Jungshin Martial Arts Fitness on the Joshua Tree Desert boulders. Annika Kahn is a four world grand champion and the rank of third-degree black belt in the Korean Martial Art of Kuk Sool Won and a loyal and dedicated student under Master Sung Jin Su. JUNGSHIN FITNESS. Copyright Amyn Nasser - All Rights Reserved. Protected by PIXSY.