Query: What is summoned by the Desfile de Llamadas parade?
Context: The festival is performed in the European parade style with elements from Bantu and Angolan Benguela cultures imported with slaves in colonial times. The main attractions of Uruguayan Carnival include two colorful parades called Desfile de Carnaval (Carnival Parade) and Desfile de Llamadas (Calls Parade, a candombe-summoning parade).