Mysterious Hum Driving People Crazy Around the World

A Ghostly Nighttime Hum Is Invading Random Towns. Scientists Don't Know What It Means.

Does it really humugate the earth? The secret of "The Hum Mystery" who could not understand anyone till today! Thousands of people around the world listen to a strange, slow and continuous echo. It says they say "The Hum" or Hang Sound of Earth. This sound is so low-frequency that everyone can not hear it. Many people feel it and there is no clear answer to science. This incident is as weird, as attractive too. Let's understand this mystery deeply. 1. What is "Humming"? This echoes are listening

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