故事讲述的是在一座看似普通实则“暗流涌动”的边境小城,边防临时检查站站长何中华给即将高考的女儿打了电话,因为工作太忙一直没有很多时间陪伴女儿的何中华很愧疚,答应一定会陪女儿高考。挂断电话,何中华开始进入工作状态,例行边防检查,谁知这次过境的人是伪装起来的毒枭,双方在边境开火,何中华不幸中弹因公殉职。。In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, Horizon reveals the scale of the problem of space junk. Our planet is surrounded by hundreds of millions of pieces of junk moving at 17,000 miles...。