Photo by António Amen, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16452056
Fernandinas walls is the name by which it was known to medieval waist Oporto walls, in Portugal, of which only small parts have survived to the present day.
About New Wall and Gothic Wall are other designations that apply to Walls Fernandinas but, although scientifically more correct, are less currents.

Photo by Concierge.2C - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16714706
27301 - Codeçal and Guindais Stairs
24406 - Maria Pia Bridge
19593 - Vila Praia de Âncora
19446 - Caminha
16940 - Trams in Oporto
14650 - Clérigos Tower
12793 - Viana do Castelo
11698 - Vila Nova de Cerveira