Criterion (i): Leptis Magna is a unique artistic realisation in the domain of urban planning and in its application of monumental display. Criterion (iii): The number and the variety of the structures of Leptis Magna bear witness to a vanished civilization. IntegrityThe architectural heritage of Leptis Magna is very extensive and most of its principal elements are largely intact. It is largely due to a cover of wind-blown sand from the interior that Leptis Magna is so well preserved and entirely protected for 800 years. Leptis Magna, at the time of inscription was managed by the superintendent of Lebda region/municipality.