The book, Underworld, the Mysterious Origins of Civilization, by Graham Hancock, has some fascinating chapters about Dwarka, in the state of Gujarat on the Kathiawar Peninsula by the Arabian Sea. There, a team of marine archaeologists, led by S. R. Rao, discovered a very large submerged site. Dr. Rao has led excavations of a vast number of important Indian sites, including many Indus Valley sites.
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