Mysterious sounds have been reported around the world since 2011 up to the present and most people said the sound came from the sky. The sound could not be specifically identified whether this is coming from the ground or from the sky.
The strange sound is described as a loud whine, hum, thump, rumble, howling wind or a loud trumpet sound, fueling some people to believe it is a sign of Armageddon or of extraterrestrial presence. Some people think it is the work of a conspiracy of nations.
Watch and listen to the mysterious sounds in the video below and be the judge.