Introduction to Jia Ma Stone: Jia Ma Stone is named after the horse-shaped stone sandwiched in the cracks of the stone. The shape of the stone is lifelike, strange and interesting. According to legend, famous generals from the Three Kingdoms were eager to join the war. When they rode their horses through this place, their horses were caught by strange rocks and could not move forward. Later, they became the "Horse Clamping Stone".