contrast lines self portrait shades shadow stairs aligned alignment aligns cast-metal circle circular decorated decorative device dial distinctive flat-plate garden garden-object gnomon hour-lines inaccurate indicator local-solar-line nodus ornament ornamental point pointed shadow-edge shadow-line style sundial sun’s-position time time-telling-device abstract design graphic illustration pattern ripple ripples sand wave background blinds green horizontal texture window lamp light shapes wall art building concrete construction gray grayscale shadows stripes cold forest line neige nieve snow tree trees winter angle banana bio leaf leaves nature photosynthesis plant rural sunlight beach black churned-up dark foot-prints frame grainy grey impressed impressions imprinted imprints indented indistinct marked marks patterns prints rough shadow-lines soft soft-sand sunshine surface surfaced surfaces terrain textured textures tracks unfocused vague