They had spear throwers , boats , needles , adzes , nets . They painted pictures , decorated their bodies and believed in spirits . They traded foods , shells , raw materials and ideas . They sang songs , told stories and prepared herbal medicines .

他们投掷长矛，使用小船、骨针、扁斧和渔网；他们绘画、纹身并敬仰神灵；他们交换食物、贝壳、原料和相互的经验；他们唱歌，说故事以及预备草药。