To collectively enshrine one family to a plurality of families, a plurality of persons including pets and also enables a person to visit a grave from far away.

Grave marker plates 4, 5, 7 and 8 are attached to a large number of grave marker main bodies 1 constituting a grave marker group A consisting of the grave marker main bodies 1 set in a front and rear direction and in a left and right direction at equal intervals. A network camera 18 incorporated at the back surface side of each grave marker main body 1a and is opened backward takes an image of the grave marker of the grave marker main body 1b formed at the back of the grave marker main body 1a. The image of the grave marker at the back can be recognized while staying at a local place by operating the network camera 18 through a network.