WW1 base, Jakomäki, Helsinki, Finland

Description

First World War base IV:9 in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line in Jakomäki, Helsinki, Finland. The base was built in 1915 - 1918. The base contains: * 1 machine gun position * 1 observation position * 3 shelter rooms (all collapsed) * 30 meters of concrete reinforced trench More info: * [Location in Google Maps](https://goo.gl/maps/oFRSZGihhwaeArUY6) * [Wikipedia: Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) * [John Lagerstedt , Markku Saari: Krepost Sveaborg](http://www.novision.fi/viapori/eavaus.htm) * [Finnish Heritage Agency site info](https://www.kyppi.fi/to.aspx?id=112.1000011242) (only in finnish)