This also explains why the surface of the cemetery is raised several meters higher than the surrounding streets; retaining walls are necessary to hold the soil and the graves in place.
これはまた、なぜ墓地の地面が周囲の街路よりも数メートル盛り上がり、土壌と墓碑群を保持するための擁壁が必要となるかの説明ともなる。