Another watched a man beat up his companion.A little boy watched his sister get her first kiss.A girl watched a paramedic help her grandmother breathe again.

• 例如说有人在交通事故中生还，有人目睹同伴被一男子殴打，小男孩见到姊姊接受恋人的第一个吻，女孩看着医务辅助人员帮助祖母恢复呼吸。