仙洞隧道, Military tunnel in Keelung City, Taiwan
The Fairy Cave Tunnel is a tunnel system in Keelung cut into the rocky northern coast of Taiwan. The network features several interconnected passages carved carefully into the rock face, containing different chambers and sections throughout its structure.
The tunnel was built during wartime as a shelter against air raids. The construction project shows the civil defense measures Taiwan needed to take in its past to protect its people.
The name references a legendary fairy and points to the site's long spiritual significance for locals. Visitors notice that people use this space for personal reflection, particularly because of the religious symbols placed throughout the passages.
Visiting is best done with a local guide who can explain the history and details of the layout. Indoor temperature stays stable year-round, so appropriate clothing matters even though it may feel cool inside.
The tunnel contains specialized chambers designed for different protection functions and still shows the original ventilation system. These technical details let visitors understand how shelters were actually meant to work.
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