The air-raid shelter was built in 1938. It is located underground on the west side of the museum. The cave body runs through the mountain where Yunxiu Tower is located. There are three openings, hidden in the depression. The three channels are distributed in a ‘Y’ shape. The total length is 202 meters, the width is 1.6 to 2.1 meters, and the height is 2.5 meters. It is equipped with sentry boxes, emergency combat command rooms, food storage rooms, double generator rooms, etc., and is equipped with ventilation facilities. The specific business status of the opening hours is subject to the opening situation on the day.
