Storholmen SL1 - Coastal Artillery Bunker
Storholmen SL1 - Coastal Artillery Bunker In this episode we visit one of Sweden largest coastal artillery bunker - Storholmen SL1. On an island outside the city of Sundsvall there was for many years a coastal artillery bunker and a command station. About 1.2 km of tunnels and 5,000 square meter bunker. This site was completed in the late 50's ...