One night in the autumn of 280 BC, when the moon was dark and the wind was high, an Egyptian royal speedboat sailed into Alexandria and sank on the rocks. All the relatives and brides on board were buried in the belly of the fish. This tragedy shocked the Egyptian ruling and opposition parties. King Ptolemy II of Egypt ordered the construction of a navigation lighthouse at the entrance of the largest port. After 40 years of hard work, a magnificent lighthouse was erected at the eastern end of Fallows Island. It stands on a rock reef 7 meters away from the island shore, and people call it "Alexander Fallows Lighthouse". When the Alexander Lighthouse was completed, it became the tallest building in the world at that time with a height of 400 feet. His designer is Chattus of Sotheby's, a Greek architect. /kloc-for 0/500 years, the Alexandria lighthouse has been guiding sailors to the harbor in the dark. An Arab traveler recorded in his notes: "The lighthouse was built on three steps. At its top, a mirror reflects sunlight during the day and guides the ship with fire at night. " /kloc-in the 4th century, a rare earthquake happened in Alexandria, and the shaking earth destroyed the architectural miracle of this ancient world with great power. Alexander's loyal guardian, Alexander's crown, just disappeared. Another century has passed. In order to resist foreign aggression and defend Egypt and its coastline, King Mamluk of Egypt ordered the construction of a castle on the original site of the lighthouse and named it after himself. After Egyptian independence, the castle was transformed into naval museum. 1996165438+10 In October, a group of divers discovered the lighthouse remains of Alexandria in the depths of the Mediterranean Sea.