8 Mysterious things that have baffled scientists for years

The stones of Puma Punku

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Puma Punku means “the door of the puma” in Aymara, and it is the name given to an American complex located in Bolivia. It was built by members of the Tiwanaku culture, a civilization that preceded the Incas. What’s interesting is that the structures are made of big cut and assembled stones, but people did not have the technology to cut such big stones at the time, and they did not use wheels, since the wheel is an invention that was introduced in South America with the Spanish conquest. So, how were these giant rocks moved?

A confectioner decorates her cakes as if they were embroidered with thread and needle: One would be easily fooled that they are true works of art