The seventh wonder of the ancient world was in Egypt. It is
a tower on top of which a flame that burned sailors entering the port of
Alexandria signal. It was built on the island of Faros, this name is the origin
of the term far that designates such a construction.
Lighthouse of Alexandria was built during the reign of
Ptolemy II, 285-246 BC, the designer Sostre. The legend, the subject of the
action of sea Sostre different materials to see which is most resistant.
Following the experience, the architect found that only the glass was not
appealed.
