Canary Islands ocean in the middle of the islands of La Gomera, Tenerife and La Palma; where the laurisilva forests grow. The seven major islands, one minor island, and several small islets were originally volcanic islands, formed by the Canary hotspot. The Canary Islands is the only place in Spain where volcanic eruptions have been recorded during the Modern Era, with some volcanoes still active (El Hierro, 2011). Volcanic islands such as those in the Canary chain often have steep ocean cliffs caused by catastrophic debris avalanches and landslides. The Teide volcano on Tenerife is the highest mountain in Spain, and the
Canary Islands in summer one hour ahead of GMT). So Canarian time is one hour behind that of mainland Spain and the same as that of the UK, Ireland and Portugal all year round. In 2017, 15,976,000 tourists visited the Canary Islands. The statistics per destination island were: The Canary Islands have eight airports altogether, two of the main ports of Spain, and an extensive network of autopistas (highways) and other roads. For a road map see multimap. There are large ferry boats that link islands as well as fast ferries linking most of the islands. Both types can transport large numbers