© 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 Rua de Santa Catarina - Porto Street between Ribeira and Sé in Porto Palacio da Bolsa interior Statue in Porto The Douro Railway Porto's Ribeira