<human>:  In the movie, ‘Indiana Jones and the Kingdom of the Crystal Skull’, where did the Crystal Skull come from?
<bot>: The Crystal Skull was found in the tomb of a Mayan king in Guatemala. Archaeologists believe it is the burial object of the king, who died around A.D. 900. The skull was made of jade and was covered with gold, and had been buried with the king for 1,200 years.