PROBLEM TO BE SOLVED: To provide a collective mausoleum which is in harmony with a natural environment, and which enables many persons' ashes to be placed even on a narrow site.;SOLUTION: This tower-like collective mausoleum 100, which is a penthouse composed of a cylindrical outer peripheral wall 101, comprises a first interior wall 108a which is concentric with the outer peripheral wall 101, and a second concentric interior wall 108b which is positioned on the inside of the first interior wall 108a. A gentle-ascending spiral passage 110 is provided between the outer peripheral wall 101 and the first and second interior wall 108a, and a gentle-descending spiral passage 110 is provided between the first and second interior walls 108a and 108b. A plurality of cineralia 109, which are drilled in an arched shape, are provided at predetermined intervals at predetermined heights from the passage of the first interior wall 108a along the spiral passage 110.;COPYRIGHT: (C)2008,JPO&INPIT
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