The practice of leaving stones on a Jewish grave to commemorate a visit is a tradition of Jewish mourners that developed hundreds of years ago and was passed down from one generation to the next.
Although most scholars can find no foundation in religion for the custom of leaving a stone on the monument, the practice of doing so is presumed to signify the rebuilding of the monument. In early days, people did not have the ability to carve gravestones. Instead, they marked the grave site by placing many stones and rocks at the burial site. Over time, the rocks were disturbed by natural processes and the grave site required rebuilding to be identified. Thus, when technology permitted the creation of a gravestone, the practice of placing a stone at the monument became a tradition of love and respect for the departed. While widely practiced by those of the Jewish faith, many religions and cultures still practice this custom.
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