amber autumn brown countryside England english fall footpath forest Great Britain landscape leaves path rural russet rusty Sussex tawny track trail trees walk woodland cereal cloud crop farm field grain harvest heads ready ripe sky South Downs stalks summer Triticum wheat border edge fresh green growth lush margin natural nature shadow spring sunlight tree heath heathland heathy path through the woods wood bridleway conifers evergreens exercise line pines railway route straight trunks blue bush conifer coniferous cyprus dry lane mediterranean montane mountain parched pine plant road scrub shrub slope bank chalk hedge old peace peaceful tranquil transport travel verge view attention beware black danger directions forbidden isolated passing pictogram platform rail red security sign station train trains transportation triangle warning yellow