Singing stone block in Abu Sir

Real X-File ID: 306

Report Date: 06/30/2016

Country: Egypt

Place: Abu Sir

Fingerprints: Traces of ancient advanced engineering-skills, Traces of ancient advanced technology

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Summary Report: 

A stone block located in the temple ruins of Abu Sir hides another mystery. Each point you knock on the block sounds different. How can one stone block resonate in different frequencies?

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