Kleines Berlin
House museum · Trieste, Italy
Other houses

History
Kleines Berlin is the complex of underground air-raid tunnels dating to World War II, which still exists in Trieste, Italy.
Text from the Wikipedia article “Kleines Berlin”, CC BY-SA 4.0.
Visiting
This is a house museum. Opening times, tickets and access change, so check the official website before you travel. Get directions.