French diving archeologists have discovered the foundation of the ancient lighthouse of Pharos in Alexandria, the seventh wonder of the world.

The director of the Alexandria national museum, Ibrahim Darwish, said Sunday that the lighthouse, which was destroyed by two earthquakes in the 11th and 14th centuries, had occupied an area of 800 sq m north of the city's eastern harbor.

The lighthouse consisted of three towers stacked one on top of the other largest to smallest and reached 120-137 meters (390-450 feet) in height. On top of the lighthouse, there was a bronze chalice holding smoldering coal. A complicated system of mirrors made it possible for travelers to see the smoldering coal from a distance of tens of kilometers (up to 60 miles).

The lighthouse was built by Greek architect Sostratus for King Ptolemy II (284-246 BC). It was erected on the eastern side of the island of Pharos at the entrance to the harbor of Alexandria. Earthquakes scattered the remains of the lighthouse all over the harbor, and only now have archeologists established its exact location.

In July, Governor Salam El Mahgoub called on Egyptian and international organizations to restore the lighthouse, a project that will cost $100 million.