Sao Paulo is the third largest city in the world. Its 13 million inhabitants are composed of a diverse mix of ethnicities, languages, tastes and cultures. Economically, it serves as the most important and dynamic economic center in Latin America, serving as the city of most multinational companies' headquarters in the hemisphere. It is a cosmopolitan city, famous for its ethnic diversity, bustling activity, varied nightlife and distinct neighborhoods. Downtown, visitors can see replicas of Sao Paulo's first buildings, erected in 1554 by Anchieta and Manoel da Nobrega, Portuguese Jesuits. Sao Paulo has fantastic infrastructure and features the best in the hotel industry with more than 600 hotels and a sophisticated and refined culinary scene with nearly 12000 restaurants.