Aerial View of Olive Plantations Separated by Ravine Spain .the Area of the Guadalquivir Valley Is One of the Worlds Oldest Areas for the Cultivation of Olive Trees, Dating Back to the Age of the Roman Empire -- Available in HD and 4k -- 3840 x 2160 - 1.4 GB - QuickTime Movie - Apple ProRes 4444 - 122.8 MB/sec - 25fps --