These 5 Fascinating Pieces of Evidence Prove that Aliens Have Visited Earth

Puma Punku

Puma Punku is a field of stone ruins located in the highlands of Bolivia. The massive blocks of stone have intricate designs that will make you think they were carved using advanced tools such as lasers.

The stones are smooth and have perfect right angles. Some people think that such precise craftsmanship would have been impossible without advanced engineering techniques. That is why theorists inferred that aliens must have guided the people who built the structures 1,000 years ago.

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