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Geologists have recently hypothesized that a land bridge once connected Cuba to Mexico’s Yucatan peninsula. And portions of the Cuban island are believed to have been submerged in the sea on three separate occasions in the distant past.
The structures are on a plateau that forms the bottom of what is thought to be a mud volcano, 650 to 700 metres beneath the surface of the ocean and along what is clearly a geological fault line. “It’s well known that ancient civilizations liked to build at the base of volcanoes, because the land is fertile. So that’s suggestive,” Mr. Weinzweig said.
One tantalizing possibility, entirely speculative for now, is that if the legendary sunken continent of Atlantis is ever proven to have existed, these structures may have been submerged during the same cataclysm.
Mr. Weinzweig simply says that more information is needed. “We’d prefer to stay away from that subject. This is something of great potential scientific interest, but it must involve serious authorities on ancient civilizations.”
The precise age of the underwater site is also unknown, although Cuban archeologists in 1966 excavated a land-based megalithic structure on the western coast, close to the new underwater discovery, said to date from 4000 BC.
They would also have been built long before the wheel was invented in Sumeria (3500 BC), or the sundial in Egypt (3000 BC). The three pyramids on Egypt’s Giza plateau are thought to have been constructed between 2900 and 2200 BC.
The couple’s Havana-based company, Advanced Digital Communications, discovered the site in July of 2000, using side-scan sonar equipment to view what resembled an underwater city, complete with roads, buildings and pyramids.
The team returned this past summer with a 1.3-tonne, unmanned Remotely Operated Vehicle, controlled from the mother ship via fibre-optic cable. Its cameras confirmed the earlier findings, showing vast granite-like blocks, between two and five metres in length, that were cut in perpendicular and circular designs.