The industries present in the city include the processing of agricultural products, beverage production, textile, cement, newly car assembly plants, construction materials, plastics, metallurgy, cigarettes and shoes. The city is also notable as an economic centre for oil, and a refinery is located in the city. Luanda has been considered one of the most expensive cities in the world for expatriates. The inhabitants of Luanda are mostly members of the ethnic group of the Ambundu, but in recent times there has been an increase of the number of the Bakongo and the Ovimbundu. There exists a European population, consisting mainly of Portuguese. Luanda was the main host city for the matches of the 2010 African Cup of Nations.