Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) "surface" (Earth)
                                   (Continent) Afro-Eurasia
                                     (Continent) Africa
                                       0 (Mainland) Africa
                                       1 (Archipelago) Zanzibar Archipelago (Africa)
                                       2 (Island) Bioko (Africa)
                                       3.351052N0022547W (Archipelago) Islas Chafarinas (Spain)
                                       4.354000N0124000E (Archipelago) Isole Pelagie (Italy: Sicilia)