One of the oldest and largest tunnels within the large network in the city and country, which was built in the periods of the World War between 1942 and 1944, to be used as shelters for the public in the event of bombing or bombardment by soldiers, with the use of collapse-resistant designs and techniques, and at present The doors of the site are opened to visitors who want to explore the tunnels and its 8 corridors, and learn about a special aspect of the history of this city.