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

amoeba antierosion arches battening bed bench bent brick brown cast central cobblestone concrete construction control curved erosion evergreen festuca flower footpath garden glauca graceful gray handrail hill hosta lawn lush metal mulch new outdoor pachysandra park path perennial perennials plank plantation plantings pole public railing retaining sidewalk sieboldiana silver sloping square stainless staircase steel steps stone street terminalis terrace timber walkway wall walls wide