advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful cars caution communicating communication information informing lookout potential-vehicle-damage risk risks road road-surface safety sign signs slow-down speed speed-bump speed-hump vehicles warning warning-sign watch watch-out yellow abstract asphalt background color colored stone colored stones colors corrosion decay desktop erosion font graphic metal natural number organism pattern Road surface rock Soil stone stones texture textures atmosphere azure blue darkness green light sky space turquoise barriers buildings clouds coastal colour cool cooling drains edge flowers grass hills islands lake lakeside mirrored outdoors outside peaceful pedestrian perspectives placid reflecting reflection reflections restful ripples rippling roadside street-lights sunlight sunshine surface surfaces tranquil tranquillity trees vegetation water water's-edge wavelets activity beach churned-up colours conservation conserving curved curving damage damaged damaging environment environmentally-unfriendly foot-prints grainy gray grey impressed impressions imprinted imprints indented marked marks off-road-driving over-printed patterns prints rough sand soft-sand surfaced tangled terrain textured tire-tracks track tracks tyre-tracks vehicle-tracks wild agricultural-land agriculture angles Australia bitumen broken-lines brown country crops cultivated cultivation darkening distance distant empty farming farms fence fencing fields fodder growth infrastructure isolated isolation lines macadam paddocks pasture perspective power-poles rural rural-area straight tarmac vast architecture atmospheric autumnMorning berlin brick building frohnau germany home house houses idyll idyllic invalidensiedlung lamps Land lot lanterns leisure lights meadow nature Netherlands style park plant red residential area tree window windows