Observation cuploa 486P2, inside
The cupola was placed on a tunnelsystem, not on a St-bunker.
Extra room for lodging.
Upstairs the rocks changes into concrete.
This compartment is gasproof.
Next page
The cupola was placed on a tunnelsystem, not on a St-bunker.
Extra room for lodging.
Upstairs the rocks changes into concrete.
This compartment is gasproof.
Next page