Columbarium construction and shutter mounting system

A columbarium, comprising:

• a framework of a plurality of horizontally spaced vertical risers and a plurality of vertically spaced horizontal members defining a plurality of horizontally and vertically spaced niches;
• each of said horizontal members comprising a front rail;
• a plurality of shutters disposed over said plurality of niches, each of said shutters having a top edge, a bottom edge, left and right side edges, a front face and a back face;
• a concealed mounting system for removably mounting each of said plurality of shutters to said horizontal members, said concealed mounting system for each of said plurality of shutters comprising an upper clip, an upper lock, at least one bottom hanger and at least one bottom hanger support, said upper clip and said at least one bottom hanger secured to said back face of said shutter, said upper lock supported by an upper one of said horizontal members, said at least one bottom hanger support supported by a lower one of said horizontal members;
• whereby said upper clip cooperates with said upper lock and said at least one bottom hanger support cooperates with said at least one bottom hanger such that each of said plurality of shutters is capable of being movable about three axes of rotation as well as vertically and horizontally with respect to said horizontal members.