The large open veranda in front of the betang, a traditional Dayak house, at Palangkaraya University, Central Kalimantan, was filled with the shouts of students from the Tunjung Nyaho Sanggar. Around 25 children, aged between 12 and 15, were dancing in lines while waving mandau, traditional Dayak swords. The dance depicted the supernatural powers of warriors on the battlefield. "We have to be able to nimbly move our bodies while carrying swords an