Introduction to Song Yingxing Memorial Hall: Song Yingxing Memorial Hall is located in Song Yingxing Park. It adopts the ancient architectural style and is majestic. The memorial hall was rebuilt here in 2003. It consists of three parts: the main hall, the Tiangong Hall and the Kaiwu Hall. Through texts, pictures, stele galleries, models, etc., and using modern sound, light, electricity and other technologies, it fully demonstrates the Ming Dynasty The life story of Song Yingxing, a famous scientist in the late Qing Dynasty and early Qing Dynasty, and the scientific and technological essence of the masterpiece "Tiangong Kaiwu".