Pencak Silat Indonesian island, and displays the greatest diversity of techniques. Many Javanese schools such as Perisai Diri and Inti Ombak have been established internationally in Asia, Europe and America. Merpati Putih or "white dove" style was developed in the keraton (royal courts) of 17th century Mataram and was not taught publicly until 1963. Today it is the standard unarmed martial art of the Indonesian National Armed Forces. It includes weapons but focuses more on empty-handed self-defense and the development of internal strength developed through breathing techniques. Pencak silat in Java draws from traditional kejawen and Hindu-Buddhist Javanese beliefs but after Indonesia's
Culture of Indonesia are many kinds of traditional games: cockfighting in Bali, annual bull races in Madura, and stone jumping in Nias. Stone jumping involves leaping over a stone wall about up to 1.5 m high and was originally used to train warriors. Pencak Silat is another popular form of sport, which was influenced by Asian culture as a whole. Another form of national sport is "sepak takraw". The rules are similar to volleyball: to keep the rattan ball in the air with the players' feet. Popular modern sports in Indonesia played at the international level include football (soccer), badminton and basketball. Badminton