The Triunfante: Discovering an 18th Century Warship

What's the process of retrieving a sunken ship and preparing it for display in a museum? How do archaeologists work underwater? One of the biggest wrecks ever discovered in Spain was the 'Triunfante', sunk during a French siege in 1795. We follow the process from its discovery to its display in a museum and learn what makes this ship so special.