What is depicted in the image carved into Pacal the Great’s sarcophagus?

The image carved into Pacal the Great's sarcophagus depicts his journey into the afterlife. Specifically, it illustrates him being lowered into the mouth of the Earth Monster while surrounded by various symbols and deities. Pacal is shown as a young maize god wearing a headdress, representing his transformation as he descends into the underworld. The scene also portrays other mythological elements such as the World Tree and various celestial motifs, emphasizing the connection between the earthly and supernatural realms.