Portugal–Spain relations small Portuguese Marine Corps combat detachment and two wardens of Madeira's Natural Park. Over the years the Portuguese authorities have seized some Spanish fishing boats and crew around the area for illegal fishing and theft of light beacons and navigation buoys. As of 2017 Spain had approved a nuclear waste warehouse next to the Almaraz Nuclear Power Plant (which uses the Tagus river that flows into Portugal for cooling of the reactors), which is near the Portugal–Spain border, without carrying out any consultations or impact studies. Portugal has escalalted the matter to the EU. Protests were planned for January 12,
Tourism in Portugal Tourism in Portugal Tourism in Portugal serves millions of international and domestic tourists. Tourists visit to see cities, historic landmarks, enjoy beaches, or religious sites. In 2016, Portugal had 21.2 million visitors, 12.6 million of which were foreign. The most popular destinations were Lisbon, Porto, Fatima, the Portuguese Riviera and the Algarve. The most popular with internationals were Lisbon, the Algarve and Northern Portugal. National tourists prefer Northern Portugal, followed by Central Portugal and the Algarve. In 2006, the country was visited by 7 million tourists. Ten years later, the country was visited by 12.6 million international tourists. In 2016,