said at the American Geophysical Union conference. Р“This is a mystery that is ongoing,” said Goddio, a founder of the European Institute of Marine Archeology, a Paris-based underwater anization backed by the wealthy Hilti Foundation of Liechtenstein(列支敦士登基金会). РThe destruction of the twin port cities has haunted Goddio ever since he happened upon the site about 15 miles from Alexandria while exploring sunken ships from Napoleon’s fleet. РGoddio and his group of expert divers, marine archeologists(海洋考古学家) and others, are using high powered vacuums, satellite navigation systems and sophisticated sonar(声纳) to excavate(挖掘) the sunken cities from underneath a carpet of silt about one meter (three feet) high. РWalls of shops, remains of streets and gold artifacts have been found and recovered.
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