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Witness protection is often glamorised as keeping innocent witnesses safe from harm but the truth is darker, murkier, and far more complex. Many protected people are themselves criminals. It’s a life of moral compromise. It also involves maximum secrecy, false identities, and a world where you can’t trust your own colleagues. Based on the first-hand experiences of a long servin...。自从有了人类，就有了战争。有战争，就有兵器，兵器和人的结合，构成了一部宏达的人类战争史。然而，当我试图研读中国古代战争的时候，却发现我们对古兵器的了解太少太少。上造影视倾情打造的《古兵器大揭秘》给你答案。《古兵器大揭秘》第二季，8月15日央视纪录频道播出。。