The helmet camera footage you're seeing is from the SAS patrol dog handler.

大家看到的是头盔摄像机拍下的镜头，由澳大利亚空降特勤团（简称SAS）的巡逻犬训练员所拍摄。

Listen to this clip of London cyclist Ben Porter. Why did he start using a helmet camera?

让我们来听一段有关伦敦骑单车的人本·波特的剪辑。他为什么要开始用头盔摄像头？

Wearing a specially designed helmet camera, Aaron's aim is to film the perspective of a diving eagle.

戴上特制的头盔式摄像机，亚伦希望拍出金雕俯冲时的视角。

Many cyclists now wear helmet cameras – a device attached to their cycling helmet – so that they can film people who drive dangerously.

很多骑车的人现在会戴头盔摄像头——一个附加到头盔上的设备——这样他们就可以拍摄到危险驾驶的人。