background blue-sky bow bowed color colored colorful colors colour coloured colourful colours contrast curved curves double double rainbow early early-morning faint light rain rainbow raining reflection sign skies sky symbol symbolic weather winter appropriate behavior appropriate behaviour black care chinese communication danger dangers denied english no diving not allowed not permitted permission denied prohibited prohibition rain-drops red risk risks signs swimmers swimming warning water wet white angles appearances architectural corrugated corrugations drinking-water faucet galvanised galvanized hose hoses large metal perspectives rain-water raised round rounded rural rust rusty storage supported tank tap volume water-supply bird branch dove drop leaf Nyberg pigeon raindrop raindrops sitting spring summer alongside bicycle bike cycle cycling modern moving on-the-move open outdoors outing parking pedal-power public pushbike rack recreation safety sporty stainless-steel stand street streetside style stylistic transport transportation travel travelling tubular early morning hazy red sky sunrise