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
Australia–Indonesia relations employed as professional, clerical or administrative workers, or as labourers. According to the 2001 Australian census, 42.9% of Indonesian-born people living in Australia resided in New South Wales, followed by 24.7% in Victoria, 15.5% in Western Australia, and 10.4% in Queensland. 40.7% listed their ancestry as Chinese, 39.8% as Indonesian, and 7.2% as Dutch. Statistics Indonesia does not measure the number of Australian residents in Indonesia, however tourist arrivals indicate that 931,109 Australians visited Indonesia in 2011. According to research conducted in 2009 by Bank Indonesia, there were approximately 45,384 foreigners working in Indonesia, of whom 5% (or 2,209) were