#burial_chamber__sepulcher__sepulchre  a chamber that is used as a grave
  supertype:  tomb  chamber
  subtype:  crypt  a cellar or vault or underground burial chamber (especially beneath a church)
  subtype:  mausoleum  a large burial chamber, usually above ground
     subtype:  Taj_Mahal  beautiful mausoleum at Agra built by the Mogul emperor Shah Jahan (completed in 1649) in memory of his favorite wife
  subtype:  repository.burial_chamber__monument  a burial vault (usually for some famous person)
  subtype:  burial_vault__vault  a burial chamber (usually underground)
     subtype:  charnel_house__charnelhouse__charnel  a vault or building where corpses or bones are deposited

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