WW1 base, Lassila, Helsinki, Finland

Majority of the First World War base XXIV:7 in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line in Lassila, Helsinki, Finland. The base was built in 1915 - 1918. The whole base contains: * 20 meters of trench with concrete walls * 1 shelter room (+1 incomplete) * 2 machine gun positions * 1 observation position More info: * [Location in Google Maps](https://goo.gl/maps/FJoafhPaAbxH7aPh8) * [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=112.1000013859) (only in finnish)