About Kleines Berlin
Fortifications, Historic, Museums, Cultural, Interesting Places, Bunkers, Military Museums
Kleines Berlin (Little Berlin in German) is the complex of underground air-raid tunnels dating to World War II, which still exists in Trieste, Italy.
Source From:
Wikipedia
1/1, Piazza Alberto e Kathleen Casali, Trieste, UTI Giuliana / Julijska MTU, FVG, Italia, 34134