WW1 trench, Pihlajamäki Helsinki, Finland

Description

First World War trench in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line in base X:5 Pihjalajamäki, Helsinki, Finland. The base was built in 1915 - 1918. Trench concrete wall has jagged edge. This part of Pihjalajamäki X:5 base contains also one incomplete machine gun firing position and incomplete shelter room. More info: * [Location in Google Maps](https://goo.gl/maps/8k8jaE8Zbmdr7yLX9) * [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=112.1000013418) (only in finnish)