Palermo is Sicily's cultural, economic and touristic capital. It is a city rich in history, culture, art, music and food. Numerous tourists are attracted to the city for its good Mediterranean weather, its renowned gastronomy and restaurants, its Romanesque, Gothic and Baroque churches, palaces and buildings, and its nightlife and music. Palermo is the main Sicilian industrial and commercial center: the main industrial sectors include tourism, services, commerce and agriculture. Palermo currently has an international airport, and a significant underground economy.[citation needed] In fact, for cultural, artistic and economic reasons, Palermo was one of the largest cities in the Mediterranean and is now among the top tourist destinations in both Italy and Europe. The city is also going through careful redevelopment, preparing to become one of the major cities of the Euro-Mediterranean area.

What types of churches attract tourists to Palermo?