Gideon Long, a BBC business correspondent, shares insights on the staggering $18 billion treasure believed to be aboard the San José, a Spanish galleon sunk over 300 years ago. Underwater archaeologist Rodrigo Pacheco-Ruiz dives into the ship's rich history and the ongoing debates over salvage rights. They explore the fierce legal battles between Colombia and treasure hunters, alongside the ethical implications of raising the shipwreck. The discussion highlights not only the allure of hidden wealth but also the importance of preserving cultural heritage.