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) Eurasia
                                       (Continent) Europe
                                         (Archipelago) Frisian Islands (Netherlands, Germany, Denmark)
                                           (Archipelago) North Frisian Islands (Germany, Denmark)
                                             1.543100N0083800E (Island) Pellworm (Germany: Schleswig-Holstein)
                                             2.543500N0083500E (Archipelago) Die Halligen (Germany: Schleswig-Holstein)
                                             3.543900N0082100E (Island) Amrum (Germany: Schleswig-Holstein)
                                             4 (Island) Föhr (Germany)
                                             5.545400N0082000E (Island) Sylt (Germany: Schleswig-Holstein)
                                             6 (Archipelago) Danish Wadden Sea Islands (Denmark)