Introduction to the Crystal Palace: The Crystal Palace is located in Arch No. 3 of the museum. The north and south sides are closed by giant glass curtain walls, with an internal space of 28,800 cubic meters. It is specially used to preserve the "Nanhai I" that sank on the seabed for more than 800 years. At the same time, the public can watch the protection and excavation work of "Nanhai No. 1" here.