© 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 Red Rooftops in Porto McDonald's in Porto Typical Porto menu Peninsula War Monument - Boavista, Porto Majestic Cafe - Porto Porto - Bishop's Palace and Luis I Bridge