Bell Tower Introduction: Hanging in the building is the "Xuanfu Zhencheng Bell" cast in the 18th year of Jiajing in the Ming Dynasty (1539 AD). It is 2.5 meters high, 1.7 meters in diameter, weighs about 10,000 kilograms, and has four poles reaching the sky. The column is placed in the center of the upper floor of the building. The sound of the bell is melodious and loud, and can be heard for more than 40 miles, making it quite famous. Therefore, Qingyuan Tower was also called the Bell Tower.