Finland has spent 10 years building the Mannerheim Line as a complete fortification system. It was built on the Karelia Isthmus, with multiple defense zones built around natural barriers such as swamps and lakes. The line was constructed with a large number of fixed fortifications with soil and wood firing position. Behind the Mannerheim line, the white Finnish warriors stood ready to face any enemy that dared to invade Finland.
Finland has spent 10 years building the Mannerheim Line as a complete fortification system. It was built on the Karelia Isthmus, with multiple defense zones built around natural barriers such as swamps and lakes. The line was constructed with a large number of fixed fortifications with soil and wood firing position. Behind the Mannerheim line, the white Finnish warriors stood ready to face any enemy that dared to invade Finland.
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