2,500-year-old grave mutliple burial found in Mexico – The History Blog
Pit burial shown in section, Cumieres (Meuse), France. Neolithic people, having worked out a flint-mine, used the excavation as a grave. | Wellcome Collection
Old European culture: Development of Montenegrian tumuluses
UNESCO World Heritage Centre - Document - Pit grave with the bones of a person buried in a crouched position - Kitakogane Site