It refers to the tomb of a certain Pacal.

It is more than a tomb. There is a sarcophagus located specifically beneath a stepped pyramid. It was discovered in 1952.

"Palenque Complex"

-It is mentioned in this publication because it is a mystery that has not yet been solved, but it has given rise to speculation due to its extraordinary similarity to Pacal being an astronaut, all of which takes place in a time long before the discovery of America.

-The possible astronaut is sitting inside a kind of capsule, touching some controls, and the possible device shows a certain mechanical complexity, including rear exits for retro propulsion, which would imply the possession of an ENGINE.

“Photograph of Pacal's sarcophagus tombstone”

Below we show a drawing of the previous photo, highlighting in bold the possible astronaut and the capsule surrounding him, filled with devices and artifacts.

“Drawing of the tombstone, highlighting the enigma”

This tombstone would give rise to multiple speculations, among them those of Russians and Americans, who made the following:

“Russian version”

“American version by J. Anderson” (PiP)