Course introduction: In the Copan Mayan ruins, there is a rectangular court with an area of about 300 square meters. The ground is paved with stone bricks and there is a platform with a steep slope on both sides. There are still traces of the building on the stage. According to research, when the Mayans of Copán held sacrificial ceremonies, they had to play a strange ball game and use religious activities to select warriors in the tribe.