Introduction to the Overturning Well: The Overturning Well is located on the hillside outside the north gate of Qingshan Castle. It is one foot to five feet deep. It does not overflow in flood years or dry up in drought years. The well water is cool and sweet. Legend has it that the "Down Well" was knocked down by the national hero Qi Jiguang when he was repairing Guancheng. In order to commemorate Qi Ji, people named this well "Qi Jiguang's Pull Down Well" and it has been passed down from generation to generation.