F-4 Object
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| Opened | May 1, 1952 |
|---|---|
| Controlled by | Hungary |
| DRUM | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2949247 |
About F-4 Object
The F-4 Object is a formerly secret nuclear shelter under the downtown of Budapest. It is located 45-50 metres below the surface, several kilometres long approximately in a "H" shape between Kossuth tér and Szabadság tér.
