Portugal–Spain border NATO 2010 Lisbon summit and during Pope Francis's visit to Fátima in May 2017. Portugal's maritime borders, also known as the Exclusive economic zone of Portugal is currently disputed by Spain in the Savage Islands area, between Madeira and the Canary Islands. The main crossing point between Portugal and Spain is Vilar Formoso - Fuentes de Oñoro. Other important crossings are Caminha and Bragança to Galicia, Portalegre and Elvas to Badajoz, and Castro Marim and Vila Real de Santo António to Ayamonte. Bridges across the border include the Guadiana International Bridge and the Lower Guadiana International bridge. A zipline across
Nationality law people that have attained or recovered Spanish citizenship after their birth, but it has age limits and one must exercise this choice prior turning 20 (in some countries, like Argentina, prior turning 23, as majority of age is attained at 21 there). Most of the "por opción" clauses do not confer original status (except those included in the Historical Memory Law), thus it can be lost, and, in case one possesses nationality other than those described below as historically related to Spain (e.g., United States), renounce their current nationality in front of Spanish consular officials. In practice this renunciation has