Facebook post by University of Helsinki

The casual diver might mistake a warship for a mat-washing platform, but the researcher can tell the story behind the lump of wood. The Porkkala peninsula in Southern Finland is a treasure trove for marine archaeologists.
Getting up close to centuries-old shipwrecks in underwater museums | University of Helsinki l.facebook.com

The casual diver might mistake a warship for a mat-washing platform, but the researcher can tell the story behind the lump of wood. The Porkkala peninsula is a treasure trove for marine archaeologists.