Puente de los Leones (Orozko) Monument · Orozko, Arratia-Nerbioi, Bizkaia Image of Orozko, not of the place itself. Bridge built in 1741 over a watercourse that already had an earlier bridge documented since at least the 15th century. 1741 Photo: Ebaki (CC BY-SA 4.0) What to see and do in Orozko