Lighthouses of the world

Ever since ancient times, humanity has used beacons to warn of danger and for guidance in the dark. The lighthouse, whose practical function is to guide and warn sailors, is also an emblem of hope, symbol of man's ability to challenge the darkness. From the Pharos of Alexandria, one of the Seven Wonders of the Ancient World, to ireland's Fastnet light, lighthouses have involved formidable feats of engineering skill. Many of them were built in dangerous conditions, with the construction teams battling against high tides and treacherous reefs.