Túnel del Castell in Denia, Spain

Túnel del Castell in Denia, Spain

Built in the late 1930s as a response to the frequent bombings during the Spanish Civil War, this tunnel provided a safe space for locals to seek refuge from aerial attacks. Dénia, being a coastal town, was vulnerable to air raids, and the tunnel served as a critical shelter for the civilian population. Spanning the width of the hill on which the castle stands, the tunnel connects two parts of the town, offering both a practical route and a glim…