The story of the frigate Mercedes and the return of its treasures to Spain has caught people’s attention over the last few months. But one question remains unanswered. Why has Spain still not managed to set up a major scientific study of the galleon and its treasure? Carlos León, archeologist, technical director of the exhibition The last voyage of Mercedes; writer Mari Pau Domínguez, author of Las dos vidas del capitán, and lawyer José María Lancho, specialist in underwater archeological heritage, talk to Jesús García Calero, director of the culture section of ABC newspaper.