Albumista Kuvia Helsinki-Malmilta (EFHF)
These bunkers, located on a hill some 150 m South of the main building, were built during World War One, between 1915 and 1918 and used during the Winter War and Continuation War, according to the Finnish Heritage Agency (Museovirasto). There are several more fortifications and trenches on or around the airport premises.
© Ilkka Mäkelä