
thumb|300px|Map (1926) of the western end of the Roman Forum: the Volcanal is indicated between the [[Arch of Severus and the stairs of the Temple of Concord, just northwest of the Umbilicus and Rostra.]]
thumb|300px|Map (1926) of the western end of the Roman Forum: the Volcanal is indicated between the [[Arch of Severus and the stairs of the Temple of Concord, just northwest of the Umbilicus and Rostra.]]
thumb|right|300px|The site identified by Boni as the Vulcanal is today protected by a modern gray roof. The excavation is just off the southwest corner of the Arch of Severus and adjacent to the truncated masonry cone of the Umbilicus Urbis. The ruins of the (mostly reconstructed) Rostra Augusti are visible just beyond.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).