The paintings of the Yam tradition also suggest that, during this time, the Aborigines moved away from animals as their main food source and began including vegetables in their diet as these feature prominently.
“甘薯”时期的画作也表明,这一时期原住民的饮食不再将动物作为主要食物来源,他们已经开始吃蔬菜。这些特点在画作中非常明显。