 The World Monument Fund started working here in 1968 with UNESCO later recognizing the site as a World Heritage site of cultural importance.With an airline operating (the airport built in 1965 was expanded in 1985) between Chile and the island, more scientists have become interested in island's heritage, undertaking research on various aspects of its now defunct culture.The Rapa Nui National Park is now under the administrative control of the Ma´u Henua Polynesian Indigenous Community, which is the first autonomous institute on the island.