This form of traditional martial arts is performed in the muddy rice fields of West Sumatra, Indonesia.<br /><br />Competitors battle it out with their bare hands and even sharp knives in the watery arena of newly harvested rice fields,<br /><br />The type of martial arts is called silek lanyah, a type of silat, and it is accompanied by traditional music instruments being played as the fight takes place, adding to the intense atmosphere.<br /><br />This footage was filmed on August 4.
