Salpalinja defence line bunker

Pappilantie 2, Puumala
050 562 0706 / Puumalan matkailuinfo

http://www.etelasavonmuseot.fi/museot/puumalanmuseot/konekivaarikorsu.html

The Salpalinja Defence Line was built in 1940-1944 in defence of the Eastern Finland. At the time it was the greatest construction work in Finland's history.