© All Rights Reserved A night view of the Torre dos Clerigos (Clergy's Tower) in central Porto. The 75 metre high tower dates back to 1763 and was designed by Italian architect Nasoni.The rest of the building is the churchRelated images River Douro from Porto Tram Downtown - Old Porto View across the Douro to Porto Porto Bridge Glimpse Castelo do Queijo detail - Porto Steep street in Miragaia - Porto