Oruro is an important city in western Bolivia, located in the Andes plateau, about 3,700 meters above sea level, and is famous for its rich mineral resources and profound cultural traditions. The annual "Oruro Carnival" is an intangible cultural heritage recognized by the United Nations, integrating religious rituals and dances of Inca and Spanish colonial cultures. The city retains a large number of colonial buildings and museums, which is an important window for exploring Bolivian traditions and folk culture.