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Mustikkamaa (Finnish:[ˈmustikːɑˌmɑː];Swedish:Blåbärslandet; literally translates to "blueberry land") is an island in theGulf of Finland, some 5 kilometres (3.1 mi) to the east of the city centre ofHelsinki, andc. 36 hectares (89 acres) in size.[1]
It is owned by the City of Helsinki, and used for public recreational and leisure activities such as jogging, hiking,cross-country skiing, tennis and other ballgames.[1]
There is an open-air summer theatre, restaurant and marina, and the island is connected via a pedestrian bridge to the adjacent island ofKorkeasaari, where theHelsinki zoo is located.[1]
In 1964, a bridge was built to connect Mustikkamaa to the larger island ofKulosaari.[1]
In 2016, the newIsoisänsilta bridge was opened, connecting Mustikkamaa also to theKalasatama neighbourhood on the Helsinki mainland.[2]
In the 1980s, three large rock caverns were excavated under Mustikkamaa, to store oil reserves. In 2021, the Helsinki municipal energy companyHELEN took them into use asthermal energy storage facility,[3] capable of holding 260,000 cubic metres (9,200,000 cu ft) of warm (45 °C (113 °F) or warmer) water, with the aim of reducing Helsinki's carbon emissions by over 20,000 tons annually.[4][5][6]
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60°10′50″N24°59′30″E / 60.180556°N 24.991667°E /60.180556; 24.991667
