The question of life, death and immortality has always worried people, and the skull, as a dual symbol, is the reason for different interpretations and philosophies. The resistance of bone tissue to decomposition and decay in ancient cultures symbolized vitality. The skull is a certain emblem of human mortality, but it has always been seen as a container for the soul and in some cultures, it is believed that the soul continues to live within the skull after death. 2000x2000,30fps,1187frames,mp4.