A-90 "Orlyonok" (Eaglet) ekranoplan
A-90 "Orlyonok" (Eaglet) ekranoplan
Synchrotron
Synchrotron
Albanian bunkers
Albanian bunkers
LZOS
LZOS
New bombshelter
New bombshelter
Russian MFA bunker
Russian MFA bunker
Monument of Soviet and Bulgarian friendship
Monument of Soviet and Bulgarian friendship
Dead Engineering
Dead Engineering
WET industries
WET industries
Abandoned ex-soviet sanatorium
Abandoned ex-soviet sanatorium
Abandoned Strategic Missile Forces academy
Abandoned Strategic Missile Forces academy
Abandoned Josip Broz Tito political school
Abandoned Josip Broz Tito political school
Abandoned Underground Airbases
Abandoned Underground Airbases