© All Rights Reserved Designed by Italian architect Nasoni and built in 1763, Igreja dos Clerigos (Clergy's church) is probably best known for its tower which at over 75 metres was the tallest building in Portugal until relatively recentlyRelated images Avenida do Brasil - Porto Card Game - Foz - Porto Avenida dos Aliados Corner Building - Porto Porto Riverside Houses Porto - Cais da Ribeira The Author in Foz do Douro