The Convention Concerning the Protection of the World Cultural and Natural Heritage (1972) of UNESCO is known as the most effective international legal instrument for the conservation of cultural and natural heritage. In order to judge the value of World Heritage sites, two concepts of "Outstanding Universal Value" and "Representativity" are to be taken into consideration. The proper understanding of these concepts that may sometimes contradict each other is essential for the future administration of the Convention and its credibility. This paper analyzes the discussions of the World Heritage Committee on these concepts and its transition.
