background beach Cornish cornwall England english Great Britain low tide natural nature rills sand shore texture yellow crataegus flowers fresh green hawthorn shrub spring Sussex trees white wild border diverse diversity garden orange path red summer variety various barley boundary cereal crop edge farm field grain Hordeum vulgare margin plant wiltshire foliage leaf leaves light peace petals quiet shade shadow sunlight tranquil veins America aquamarine blue boulder clean clear cold fast flow pool pure river rock transparent water conifer forest tree arrow board canada colour danger fire flammable indicator inflammable notice risk sign warning wood brick decorative door entrance formal gate home house iron opulent ornamental ornate pillar smart wrought cloud clouds focus holiday Nyberg oil rape rural seed sky sun