The Dusseldorf In Ww2 Secret Bunkers Are Now Open For Tours bejo 6909 Share The Dusseldorf In Ww2 Secret Bunkers Are Now Open For Tours Inside the Haunting Remains of Secret WWII Bunkers | National Geographic Bunkers built in WW2 lie abandoned under Europe – Lost Places in Germany Read also: Locals Protest Essex Beaches Parking Fee Hikes On Social Media