#spreadhead__spread__facing_pages  two facing pages of a book or other publication
  supertype:  #page  especially one side of a leaf
  part of:  #publication
  subtype:  #center_spread__centre_spread  the spread at the center of a magazine
  subtype:  #centerfold__centrefold  a magazine center spread; especially a foldout of a large photograph or map or other feature

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