Indonesia has around 300 ethnic groups, each with cultural differences developed over centuries, and influenced by Indian, Arabic, Chinese, Malay, and European sources. Traditional Javanese and Balinese dances, for example, contain aspects of Hindu culture and mythology, as do wayang kulit (shadow puppet) performances, Wayang golek and etc. Indonesia Textiles such as batik, ikat and songket are created across Indonesia in styles that vary by region. The most dominant influences on Indonesian architecture have traditionally been Indian; however, Chinese, Arab, and European architectural influences have been significant. The most popular sports in Indonesia are badminton and football; Liga Indonesia is the country's premier football club league. Traditional sports include sepak takraw, and bull racing in Madura. In areas with a history of tribal warfare, mock fighting contests are held, such as, caci in Flores, and pasola in Sumba. Pencak Silat is an Indonesian martial art.