1.如播卡顿或失败可切换片源。
2.建议选择腾讯视频,爱奇艺,优酷等片源播放，速度更快画质更好，如播放失败可点击切换线路。
3.请不要相信视频中的广告,视频中广告非本站所加。
人气563纪录片
0.02019英国更新HD
BBC地平线系列：英国的下一场空难？无人机空难Dronesaretransformingourworld.Weusethemtodeliverourmedicinescleanourskyscr
年份：2019
主演：Aldo Kane
描述：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 drone disruption at Gatwick – Britain's second largest airport – that ruined the Christmas plans of 140,000 people and c...
展开
