A very interesting geological phenomenon which for centuries remained unexplained. These are underground tunnels which are penetrated by seawater in the Argostoli area. They subsequently go under the seabed, passing underground beneath the mountains of the island, where the seawater mingles with rainwater and ends up in Sami in the eastern part of the island. In 1963 Austrian geologists assisted in understanding the phenomenon with the help of a large quantity of dye.
This text is cited December 2004 from the Ionian Islands Region General Secretariat URL below, which contains image
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