BBC地平线系列:英国的下一场空难?无人机

类型:纪录片 纪录 地区:英国 年份:2019 

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剧情简介

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 sh详情

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