Master v. master taekwondo sparring

Master Lim (red vest) is a Korean national champion. Sparring demonstration from holiday party for World Champion Taekwondo. Master Lim teaches the West Union school. The other master teaches at the Tigard branch of the school.
If you look at the spectators in the background, seated in the grey bleachers are two Olympic gold medalists from Barcelona 1992 when taekwondo was a demonstration sport. Great Grand Master BC Kim (left, lavender shirt) and Great Grand Master JK Kim (right, orange pants). They own schools in the Portland, Oregon area, including the schools represented by the masters doing the sparring demonstration.