Vaults and buttresses

In the 1900s the battery was disarmed, the vast premises on the island were used for various warehouses, in particular, there was a large dynamite warehouse. In January 1918, the guard of the artillery regiment on Mustasaari abandoned everything and went by the foot on the ice to Vyborg, leaving the explosives and other valuable property unguarded. It was a turmoil of Russian Revolution...