Ptolemy associated Alexandria to the Pharos island by an extension. It was understood that the cruising in this beach front district is exceptionally risky. That is the reason he chose to manufacture a beacon. This undertaking was started amid Ptolemy’s reign in 290 BC and finished after his passing by his child Ptolemy Philadelphus. Sostratus who lived at the same time as Euclid was the draftsman. This used to stay in the harbour for a considerable length of time. This miracle of the world additionally delineated in the Roman coins that time. Seven Wonders of the World – Light House of Alexandria