archaeological excavations and finds bones of a skeleton in a human burial, working tool, ruler, knife, brush, a detail of ancie

age anatomy ancie ancient archaeological archaeology archeology australopithecus bone bones brush burial buried cemetery crime cromagnon culture dead death detail dig dirt dust end erectus excavation excavations find finds forensic fossil geological grave ground habilis halloween hand head history horror human knife man natural neanderthal pithecanthropus prehistory remain research ruler sapiens scary sinanthropus skeleton soil teeth tomb tool training working