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
Christianity in Indonesia from this, most other parts of North Sumatra have a significant Christianity percentage (around 20 to 40%), with the exception of Langkat, in the northeast coast, Asahan on the east coast, and the Mandailing regencies in the south which are Muslim majority (below 10%). Among Indonesian provinces in 2010, South Sumatra reported the eleventh-smallest number of Christians (114,671) or 0.49% of Christians within Indonesia. South Sumatra had the third-smallest percentage (among religions reported in the province) of Christians (1.54%), including the second-smallest percentage of Protestants (0.97%) and eighth-smallest percentage of Catholics (0.57%). West Sumatra province (population 4.8 million) is another