Nothing very important to my research. Maybe interdasting for someone else though.

https://twitter.com/Spy_Stations/status/1258772548155834368

The Rákosi-bunker; A former secret nuclear shelter under the downtown of Budapest built in 1952, 45-50m below the surface and several kilometres long, Previously serving as shelter for the MDP leaders and later workers of the Ministry of Heavy Industry

https://urbextour.com/en/urbex-budapest-exploring-f-4-rakosi-bunker/