Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This cultures underworld was protected by a river of scorpions and contains locations such as the dark house, cold house, and razor house. One figure in this cultures mythology is married to Chimalmat and pretends to be the sun and the moon. That figure, Vucub Caquix, is the father of the earthquake god Cabracan as well as a demon who killed four hundred boys that became stars, Zipacna. These and many other evil demons are eventually killed by Hunahpu and Xbalanque who also defeat the lords of Xibalba en route to becoming the hero twins. For ten points, name this Mesoamerican culture whose mythology can be found in the Popol Vuh.
Social Science