Divers exploring oldest warship off Sweden find "new clues"
Bubbles rise through the murky green water as divers tenderly explore a rare 15th-century shipwreck off Stockholm's coast, believed to be the oldest warship found off Sweden.
"It's a very big ship, it was around 40-45 meters when it sailed probably," project leader and marine archaeologist Hakan Altrock from Sweden's Museum of Wrecks said, overseeing the dives down to the skeletal remains of what is known as Vrak 5, or Shipwreck 5, on a cool October day.
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