Large numbers of Cameroonians live as subsistence farmers. The country is often referred to as "Africa in miniature" for its geological, linguistic and cultural diversity. Its natural features include beaches, deserts, mountains, rainforests, and savannas. Its highest point, at almost , is Mount Cameroon in the Southwest Region. Its cities with largest populations are Douala on the Wouri River, its economic capital and main seaport; Yaoundé, its political capital; and Garoua. Cameroon is well known for its native music styles, particularly Makossa and Bikutsi, and for its successful national football team. It is a member state of the African Union, the United Nations, the Commonwealth of Nations, Non-Aligned Movement and the Organisation of Islamic Cooperation.