Later, mausoleums would enclose a burial chamber within a burial vault below the superstructure, but modern mausoleums have columbaria (a type of mausoleum for cremated remains) in addition to the former burial chambers under the mausoleums.
後に亡くなった個々の人々の為の地下聖堂を含んでおり、近代のものは、従来の霊廟地下墓室に加え、納骨堂を持っている。