 When King Juba, the Roman protegé, dispatched a contingent to re-open the dye production facility at Mogador (historical name of Essaouira, Morocco) in the early 1st century, Juba's naval force was subsequently sent on an exploration of the Canary Islands, using Mogador as their mission base.The peak of Teide on Tenerife can be seen on clear days from the African coast.The Carthaginian captain Hanno the Navigator may have visited the islands during his voyage of exploration along the African coast.