Tenerife at the entry port to the capital (in the southern part of Port of Santa Cruz de Tenerife). Another prominent structure is the Torres de Santa Cruz, a skyscraper high (the highest residential building in Spain and one of the tallest skyscrapers in the Canary Islands). The island also has several archaeological sites of Guanche time (prior to the conquest), which generally are cave paintings that are scattered throughout the island, but most are found in the south of the island. Two of the most important archaeological sites on the island are the Cave of the Guanches, where the oldest
Lanzarote of Genoese navigator Lancelotto Malocello, who used the alias "Lanzarote da Framqua". A fort was later built in the area of Montaña de Guanapay near today's Teguise. Castilian slaving expeditions in 1385 and 1393 seized hundreds of Guanches and sold them in Spain, initiating the slave trade in the islands. French explorer Jean de Béthencourt arrived in 1402, heading a private expedition under Castilian auspices. Bethencourt first visited the south of Lanzarote at Playas de Papagayo, and the French overran the island within a matter of months. The island lacked mountains and gorges to serve as hideouts for the remaining