appearance backdrop background beach coast coastal contrast contrasting cool cooling dark darkening distance dunes edge edged edges environment environmental flowers foliage foreground gray green grey groundcover growth hardy Indian-ocean leafy leaves light ocean plants sand-dunes seaside skies sky texture textures variety vegetation wallpaper water water’s-edge waves winter wintry above abstract aeroplane airplane below between blue cloud cloud-formations clouds colored colors coloured colours conditions flight formations high in-between layers levels multi-level patterns plane shadows shapes sunlight travel up-above variations various various-cloud-formations weather weather-indicators white