24 年前
视频简介
Andy steps into the station's captaincy as Jack's life hangs in the balance| the team is called to a hostage situation| Natasha fights for her career| Maya and Carina make a choice.。兰州大学的科考队照例进入甘肃盐池自然保护区进行例行考察，在盐池湾，他们有了重大发现，不仅发现了野牦牛的群落，还发现了雪豹的踪迹。。
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