posted on May, 9 2017 @ 08:51 AM
Construction equipment, aircraft jets ( the testing and troubleshooting of them ) and various other industrial types of machines can make some rather
strange and alarming noises.
The underground boring machines have thought to be caught.
But this one is completely different, it just sounds like a flying creature from various movies.
It's not hard to add audio to a video, it would make the perfect sky noise if done right, because you cannot tell the difference unless you know the
Remember, sounds change based on wind, temp, even clouds and other surroundings, this was extremely clear, almost a little too clear.