The last 10 seconds shows the backdraft. A backdraft is a dramatic event caused through rapid re-introduction of oxygen to combustion into an oxygen-depleted environment in a fire; for example, the breaking of a window or opening of a door to an enclosed space. Backdrafts present a serious threat to firefighters.
The "HELLO Europe" project.
Amazon Prime Air has begun private trials in England, and the first customer delivery by drone recently took place.
Jösse Halling Breakers on TV 'Solsta café' in the late 80's.
