Suomenlinna, ferry, winter, Helsinki, Finland, Silja Line, Viking Line
Weekly Tips: What to do in December | Helsinki Design Weekly
The immense sea fortress Suomenlinna (also known as Viapori or Sveaborg) is one of Helsinki’s most impressive and most visited tourist attractions. Over half a million people visit Suomenlinna yearly. The island was declared a UNESCO World Heritage Site in 1991 and houses around 850 permanent residents.