Cave of Santo Tomás References Cave of Santo Tomás cavern, Cuba Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Cuba/ Relief…notably the 16-mile- (26-km-) long Cave of Santo Tomás in the Sierra Quemado of western Cuba. The main island is surrounded by a submerged platform covering an additional 30,000 square miles (78,000 square km). Read More…notably the 16-mile- (26-km-) long Cave of Santo Tomás in the Sierra Quemado of western Cuba. The main island is surrounded by a submerged platform covering an additional 30,000 square miles (78,000 square km). Read More