The source of this video is http://www.instagram.com/ufolovers. It shows a cigar-shaped UFO rapidly traveling through the clouds. The geographic location is not available from the video source. However, it is obvious that this video is real and has not been edited.
Cigar shaped UFOs are not new. They have been documented or illustrated for hundreds of years. Most reports put the length of this cigar shaped UFO at the length of 2-3 football fields. Reports also state that this type of UFO launches smaller UFOs from it. This would indicate this is some type of UFO transport ship.
If this is terrestrial, then someone has technology that allows something this size to hover in the sky with no noise or obvious source of propulsion. Given the have been seen for hundreds of years, it would indicate that these craft are NOT of terrestrial origin.