WW1 trench, Tuomarinkartano, Helsinki, Finland

First World War trench with observation position, machine gun position and shelter room in base XV:1 in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line in Tuomarinkartano, Helsinki, Finland. The base was built in 1915 - 1918. This base contains the only two intact type B observation post and the only intact machine gun position in the whole land front. The whole base contains: * 40 meters of thrench * 2 type B firing and observations positions (both intact) * 2 machine gun positions (1 intact, 1 destroyed) * 2 shelter rooms (1 intact, 1 destroyed) More info: * [Location in Google Maps](https://goo.gl/maps/HgKwZH5VBJgTXTCC9) * [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=112.1000013609) (only in finnish)