Green marks a country with rooms.
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The waters off Cape San Antonio Sonar hits on geometric ridges and polished-looking blocks, 600 to 750 metres down off western Cuba, in a geological report that records the sunken-city reading and does not adopt it. -
The rings at Punta del Este A low cave at the southeast point of the Isla de la Juventud whose ceiling carries concentric circles, the largest set 28 red and 28 black, read as a lunar or solar count and as a local symbol whose sky bearing was never measured in the modern study.
Considered, and not given a room
A room is for a place with a real open question and enough published evidence to weigh both sides. These were looked at and left as notes, so they are not invisible.
- Cueva de Ambrosio, on the Hicacos peninsula, has concentric circles in the same family as the painted caves of the Isla de la Juventud. A 2021 morphological study groups those circles together. A calendar reading of the rings is in circulation. This pass did not find an open photograph of the Ambrosio paintings, or a published count of rings and a measured azimuth, solid enough for a room. The cave with the counted 56 rings is now Punta del Este. The offshore sonar target keeps its own page at Cape San Antonio. Ciencia y Sociedad, 2021.