What makes the hanging garden of Babylon so unique

Accounts indicate that the garden was built by King Nebuchadnezzar,who ruled the city for 43 years starting in 605 BC (There is analternative story that the gardens were built by the Assyrian QueenSemiramis during her five year reign starting in 810 BC). This wasthe height of the city’s power and influence and KingNebuchadnezzar is known to have constructed an astonishing array oftemples, streets, palaces and walls.