Boffins were left completely baffled almost 20 years ago when they stumbled across an unexplained underwater phenomenon older than the pyramids – but new technology could reveal more View 4 Images A lost underwater city has been baffling boffins for years (Image: Unveiled/YouTube)

A series of strange geometric structures on the ocean floor have left boffins baffled. The structures, which are thought to be older than the Egyptian pyramids, are gaining more attention despite being found around 20 years ago. ‌

Located off the coast of Cuba, a worker found a series of perfectly aligned geometric shapes , arranged at sharp right angles. Originally, the crew were running a routine ocean-mapping mission, but their sonar technology picked up on something completely unexpected bac

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