![Suomenlinna (Sveaborg) fortress. Constructing began in 1748. Iso Mustasaari in background of city of Helsinki Stock Photo - Alamy Suomenlinna (Sveaborg) fortress. Constructing began in 1748. Iso Mustasaari in background of city of Helsinki Stock Photo - Alamy](https://c8.alamy.com/comp/K6G7ED/suomenlinna-sveaborg-fortress-constructing-began-in-1748-iso-mustasaari-K6G7ED.jpg)
Suomenlinna (Sveaborg) fortress. Constructing began in 1748. Iso Mustasaari in background of city of Helsinki Stock Photo - Alamy
![FORTRESS, HELSINKI: Suomenlinna Fortress Island (Sveaborg) from a cruise ferry ship travelling on the Baltic Sea between Åland and Helsinki in Finland Stock Photo - Alamy FORTRESS, HELSINKI: Suomenlinna Fortress Island (Sveaborg) from a cruise ferry ship travelling on the Baltic Sea between Åland and Helsinki in Finland Stock Photo - Alamy](https://c8.alamy.com/comp/2T49MD6/fortress-helsinki-suomenlinna-fortress-island-sveaborg-from-a-cruise-ferry-ship-travelling-on-the-baltic-sea-between-land-and-helsinki-in-finland-2T49MD6.jpg)
FORTRESS, HELSINKI: Suomenlinna Fortress Island (Sveaborg) from a cruise ferry ship travelling on the Baltic Sea between Åland and Helsinki in Finland Stock Photo - Alamy
![Bastions Of Finnish Fortress Suomenlinna (or Sweeden Name Sveaborg) At The Coast Of Baltic Sea In Helsinki, Finland Stock Photo, Picture and Royalty Free Image. Image 97953700. Bastions Of Finnish Fortress Suomenlinna (or Sweeden Name Sveaborg) At The Coast Of Baltic Sea In Helsinki, Finland Stock Photo, Picture and Royalty Free Image. Image 97953700.](https://previews.123rf.com/images/bravikvl/bravikvl1803/bravikvl180300008/97953700-bastions-of-finnish-fortress-suomenlinna-or-sweeden-name-sveaborg-at-the-coast-of-baltic-sea-in.jpg)