Introduction to the Coastal Defense Historical Memorial Hall: The Coastal Defense Historical Memorial Hall is a thematic memorial hall that introduces the Zhenhaikou coastal defense site. The basic display is divided into upper and lower floors and consists of six parts, namely the preface hall, the anti-Japanese hall, the anti-British hall, the anti-French hall, the anti-Japanese hall, and the modern coastal defense hall. , the true historical relics of the resistance against France and Japan.