Sj-4. Dungeons of bunker #006

#006 was another name for this bunker was given to it by engineers of Soviet 123 Rifle Division which stormed the height of 65.5.
The bunker was built in 1937 and had two machine gun casemates of frontal fire with armour plates coverings. Eastern casemate swept the space of Manasuo swamps, western casemate swept the space to Sj-5 "Millionaire" bunker.
The corridor to the western casemate is on the photo.