palace from the 19th century, is one of the city's major historical buildings. Helsinki's own airport, Helsinki-Malmi Airport, is mainly used for general and private aviation. 93 The commuter rail system includes purpose-built double track for local services in two rail corridors along intercity railways, and the Ring Rail Line, an urban double-track railway with a station at the Helsinki Airport in Vantaa. The University of Helsinki also has many significant museums, including the Helsinki University Museum "Arppeanum" and the Finnish Museum of Natural History. 25 The construction of the naval fortress Sveaborg (in Finnish Viapori, today also Suomenlinna ) in the 18th century helped improve Helsinki's status, but it was not until Russia defeated Sweden in the Finnish War and annexed Finland. Det finns många enkla små saker du kan lära ut till hushållen. Du återkallar ditt samtycke till nyhetsbrevet och andra marknadsföringsåtgärder genom att avregistrera din prenumeration av nyhetsbrevet via en länk som finns tillgänglig längst ner i varje nyhetsbrev som du tar emot. The life expectancy for men and women is slightly below the national averages:.1 years for men as compared.7 years,.7 years for women as compared.5 years.