WW1 land front shelter, Helsinki, Finland

Remains of First World War wooden shelter room in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line from base XXI:6 Oulunkylä, Helsinki, Finland. Wooden Shelter room built in 1915 - 1918 is completely decomposed but the place and part of the trench is clearly visible. More info: * [Location in Google Maps](https://goo.gl/maps/FvddG7TCM5Ut97qw9) * [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=112.1000013764) (only in finnish) Source: Objaverse 1.0 / Sketchfab