Easter Island (Rapa Nui: Rapa Nui, Spanish: Isla de Pascua) is a Polynesian island in the southeastern Pacific Ocean, at the southeasternmost point of the Polynesian Triangle. Easter Island is famous for its 887 extant monumental statues, called moai, created by the early Rapa Nui people. In 1995, UNESCO named Easter Island a World Heritage Site, with much of the island protected within Rapa Nui National Park. Polynesian people settled on Easter Island in the first millennium CE, and created a thriving culture, as evidenced by the moai and other artifacts. However, human activity, the introduction of the Polynesian rat and overpopulation led to gradual deforestation and extinction of natural resources, which caused the demise of the Rapa Nui civilization. By the time of European arrival in 1722, the island's population had dropped to 2,000–3,000 from a high of approximately 15,000 just a century earlier. In recent times the island has served as a warning of the cultural and environmental dangers of exploitation. Diseases carried by European sailors and Peruvian slave raiding of the 1860s further reduced the Rapa Nui population, down to 111 in 1877.[5] Easter Island is one of the most remote inhabited islands in the world.[6] The nearest inhabited land (50 residents) is Pitcairn Island at 2,075 kilometres (1,289 mi), and the nearest continental point lies in central Chile, at 3,512 kilometres (2,182 mi). Easter Island is a special territory of Chile that was annexed in 1888. Administratively, it belongs to the Valparaíso Region and more specifically, is the only commune of the Province Isla de Pascua.[7] According to the 2012 census, it has about 5,800 residents, of which some 60% are descendants of the aboriginal Rapa Nui.