Indonesia a rich cultural heritage that reflects Indonesia's dynamic history and ethnic diversity. Indonesia has a well-preserved natural ecosystem with rain forests that stretch over about 57% of Indonesia's land (225 million acres). Forests on Sumatra and Kalimantan are examples of popular destinations, such as the Orangutan wildlife reserve. Moreover, Indonesia has one of world's longest coastlines, measuring . The ancient Prambanan and Borobudur temples, Toraja and Bali, with its Hindu festivities, are some of the popular destinations for cultural tourism. Indonesia has 8 UNESCO World Heritage Sites, including the Borobudur Temple Compounds and the Komodo National Park; and a further
Candi of Indonesia and Thai term "prasat" which refer to the towering structure of a temple. From Hindu perspective, the term "candi" itself is believed was derived from "Candika", one of the manifestations of the goddess Durga as the goddess of death. This suggests that in ancient Indonesia the "candi" had mortuary functions as well as connections with the afterlife. The association of the name "candi", candika or durga with Hindu-Buddhist temples is unknown in India and other parts of Southeast Asia outside of Indonesia, such as Cambodia, Thailand, or Burma. Another theory from Buddhist perspective, suggested that the term "candi" might be