#tomb__grave  a place for the burial of a corpse (especially beneath the ground and marked by a tombstone); "he put flowers on his mother's grave"
  supertype:  #topographic_point__topographicpoint__place__spot  a point located with respect to surface features of some region; "this is a nice place for a picnic"
  subtype:  #burial_chamber  a chamber that is used as a grave
  part:  #gravestone__headstone__tombstone  a stone that is used to mark a grave

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