On Taizhou Road, Guangling District, Yangzhou City, the entrance of Dongguan Street. It was built in the middle of the Tang Dynasty. The fifth, two Song, Ming and Qing generations have repaired the city gate and city wall here, covering an area of about 16 square kilometers. In 2006, Yangzhou City built the Dongmen Ruins Park, and the Marco Polo Memorial Hall was built on the side of the park. Recreated the Song Dynasty Yangzhou "magnificent pressure long Huai, shape wins the southeast" majestic posture.