When you see the headlines of your newspaper these days with the war in Iraq or in Syria -- aid worker abducted, hostage executed -- but who were they?
时至今日，当你在看报纸头条 看见伊拉克、叙利亚在打战的同时 也看到援助工作者被劫持、 被当做人质处死 但是他们是谁？