The Library of Alexandria

was situated in the Royal neighborhood. it was made up of a park, a hall of Pillars and a building  for meetings.
his cultural site remained famous among and Frequently visited by scientists and thinkers until 272 AD when emperor Orilian burnt the Whole area and a large part of the place was destroyed. Scientists and the thinkers had to move to a smaller library at the cerabium. and disappeard in 4th century AD.