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
Walls of Tabarca Trancada or Saint Gabriel Gate and Alicante or Saint Michael Gate. Walls of Tabarca The Wall of Tabarca is a defensive wall built in the 18th century. It is located in the town of Tabarca, Alicante. It was designed by Fernando Méndez de Ras, a military engineer who also planned the rest of the building on the island. The wall has three gates, all of them baroque. The shape of the wall is adapted to the island coastline. It is built in stone, with the outside covered in ashlar. Since the 1980s, there have been some reconstructions and rehabilitations. The