English: The Swedish heritage ship S/S Motala Express with call sign SFOD sailing past Kastellholmen in Stockholm, Sweden. She was built by Jönköpings Mekaniska Werkstad in Jönköping and delivered in 1895. - Moored by Kastellholmen the brig Tre Kronor af Stockholm, built 1997-2005, now a working life museum . - Behind the brig, you can see the heritage building Kolskjulet, a coal warehouse built in 1852 for the navy's steamships and designed by the navy's own architect Fredrik Blom, who also designed several other buildings on Skeppsholmen and Kastellholmen. The shed is presently used as a tackle chamber, sail loft, storage and club room for the Stockholm brig Tre Kronor af Stockholm. - The building on the top of Kastellholmen is Kastellet (citadel), declared as a heritage building in 1935.