H.R.H. Crown Prince Maha Vajiralongkorn, Patron of the Amateur Muay Thai Association of Thailand, presided over the opening of the Amateur Muay Thai Association of Thailand, on the occasion of His Royal Highness's visit to observe the Prince's Cup Amateur Muay Thai Championship, as well as a Muay Thai aerobics demonstration — an application of Muay Thai for health exercise and the preservation of traditional Muay Thai techniques — on July 2, 2004, at the Nimibutr Sports Building, Suphachalasai Stadium.
