Is the capital and largest city of Zambia. It is located in the southern part of the central plateaus, at an elevation of about 1,300 metres (4,265 feet). It has a population of about 1,7 million and is a commercial city as well as the centre of government. Four main highways of Zambia head north, south, east and west of it. The two main languages spoken in Lusaka are English and Nyanja (a Bantu language). English is the official language. Points of interest include Lusaka National Museum, the Political Museum, the Zintu Community Museum, the Freedom Statue, the Zambian National Assembly, The Agricultural Society Showgrounds (known for their annual agricultural show), the Moore Pottery Factory, the Lusaka playhouse theatre, a cinema, the Cathedral of the Holy Cross in Lusaka, a cenotaph, a golf club, the Lusaka Central Sports Club, and the Zoo as well as Botanical Gardens of the Munda Wanga Environmental Park. The city is also home to the University of Zambia. Along Great East Road are the two largest shopping malls in Zambia, Arcades Shopping Mall (with open air storefronts) and Manda Hill Shopping Mall (enclosed shops), which was recently revamped and is home to international stores such as Shoprite, Game and Woolworths. The city is home to Lusaka International Airport and lies on the railway line from Livingstone to Kitwe. This airport is the hub of Zambezi Airlines. Lusaka International Airport is is used as a public and military airport. Bus services to towns surrounding Lusaka, such as Siavonga & Chirundu use the Lusaka City Market bus and intercity bus terminus station and the city bus station (Kulima Towers Station).