Strange Sounds Being Heard Worldwide. 2017 - 2018 EVENTS (WHAT IS GOING ON?)

Strange, unexplained loud noises from the sky continue to be heard all around the world, baffling those who hear them. These mystery booms and apocalyptic sounds are happening frequently in the year 2017 all across the world. But what could they be? Are these signs of change?\r
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Sources:\r
Taos Hum: \r
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Music by CO.AG\r