Northeast-looking view of the Strait of Gibraltar from space, with the Iberian Peninsula to the left and Nothern Morocco to the right. See Real's editorial in this issue of Frontiers of Biogeography (10.3-4, e41756) for an overview of the biogeographical significance of this width strait. Picture by NASA, available at https://commons.wikimedia.org/wiki/File:STS059-238-074_Strait_of_Gibraltar.jpg under a public domain license.