Midsummer in Vallisaari Midsummer in Vallisaari Share Traditional Midsummer celebrations on the island of Vallisaari in the 1950s. Show on map Used in articles Midsummer in Helsinki Article Article Go to content Photographer Helsinki City Museum / Taisto Haimakainen Finna.fi record Open in Finna(Link leads to external service) Formats Image Photo Authors Haimakainen, Taisto Copyrights CC BY 4.0 Buildings Helsinki City Museum