The research – which extended over a two-year period – suggested that human beings from thousands of years ago produced natural sound harmonic frequencies produced from the surface of the Earth.

In the clip, the narrator explains that the Sumerian civilisation may have inhabited parts of southern Africa thousands of years ago.

The Sumers are one of the earliest known civilisations known to walk the Earth.

They are said to date back to 3,000BC.

The technology they apparently used is said to be similar to the way we use laser technology today.

Some of the frequencies recorded are believed to reach more than 380 gigahertz – much greater than any levels used today.

The discovery has left many confused as to what this previous society could possibly have done with the energy they created and whether they could have possibly known more about our planet than we do today.

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