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BBC地平线系列：英国的下一场空难？无人机

纪录片 · 纪录片 / 英国 / 英语 · 2019 · 评分 8.3

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Drones are transforming our world. We use them to deliver our medicines, clean our skyscrapers and even fight fires. But there is a dark side to this airborne revolution, from a shocking rise in drone-plane near misses above our heads to last year's sustained