#geographical_zone__zone  any of the regions of the surface of the Earth loosely divided according to latitude or longitude
  supertype:  #geographical_area__geographic_area__geographical_region__geographic_region  a demarcated area of the Earth
  subtype:  #climatic_zone  any of the geographical zones loosely divided according to prevailing climate and latitude
     subtype:  #Frigid_Zone__polar_zone__polarzone  the part of the Earth's surface forming a cap over a pole; characterized by frigid climate
        subtype:  #Antarctic_Zone__Antarctic__South_Frigid_Zone  the region around the south pole: Antarctica and surrounding waters
        subtype:  #Arctic_Zone__Arctic__North_Frigid_Zone  the regions north of the Arctic Circle centered on the North Pole
     subtype:  #Temperate_Zone  the part of the Earth's surface between the Arctic Circle and the Tropic of Cancer or between the Antarctic Circle and the Tropic of Capricorn; characterized by temperate climate
        instance:  #North_Temperate_Zone  #South_Temperate_Zone
     subtype:  #subtropics__semitropics__semitropic  regions adjacent to the tropics
     instance:  #Torrid_Zone__tropical_zone__tropics
  subtype:  #time_zone  any of the 24 regions of the globe (loosely divided by longitude) throughout which the same standard time is used

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