new plantings of perennials in the sloping park with anti-erosion battening. retaining walls cast from concrete in graceful arches

amoeba bark bed bench bent brown cobblestone concrete construction control curved erosion evergreen festuca flower footpath garden glauca gray grid handrail hill hosta lawn lush mulch mulching new outdoor pachysandra park perennial plank plantation pole public railing retaining rod rods sieboldiana slope stainless staircase steel steps stone terminalis terrace timber wall wide