Artillery bunker APK-1 "SLON"

"Slon (Elephant)" - it was nickname of this installation during the Second World War. And this was for good reason, because it was the largest installation of all KaUR. It has two floor with total square of 200 sq. meters It's task was to flank by the gunfire the gap between Sestroretzk's and Beloostrov's Battalion Defence areas.