A Son de Marvideo
126. Felipe Cerezo. The submerged history.
May 28, 2026 · 1h 18m · 24 views · Bay of Algeciras
Archaeologist Felipe Cerezo examines ancient artifacts underwater.
What this video covers
Underwater archaeology in the Bahía de Algeciras is the focus of an interview with Felipe Cerezo, a doctor in underwater archaeology at the Universidad de Cádiz and a lead researcher on Proyecto Heracles.2:36 The project has identified a significant number of shipwrecks and archaeological sites in the bay, reflecting its role as a strategic maritime crossroads from prehistory through the modern era.4:56 Cerezo describes how sea levels during glacial periods sat 120–150 meters lower than today, leaving prehistoric settlements, burial sites, and hunting grounds now submerged and largely unexcavated.7:47 Among the project's finds is a suspected spy logbook recovered from a gunboat used during the siege of Gibraltar; the team X-rayed the object before excavating it.18:15 A second interview with Rafael Castán of SONARS covers maritime safety and navigation practices in ancient Greece and Rome, including the use of oracles before voyages and early orientation techniques.25:41 A separate segment features Juan Melgar discussing the history book Caza al convoy, about Spain's capture of a 52-vessel British merchant convoy in August 1780 during the American independence war.53:08 Roberto Bucetas reports on the importance of keeping nautical charts and portulanos current, and on a recent regatta in the Bahía de Santander.1:08:06
More from A Son de Mar
From A Son de Mar — see the channel’s boat, crew, and every analyzed video.
The Sailing Directory Newsletter
One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.