art background branch curves design floral flourish graphics gray leaf nature plant red stripes tree vector wallpaper winter yellow ancient architecture brick elements England english fig glass Great Britain historical history mullion old oxfordshire stone window flower green heart love marriage spring summer valentines abstract autumn dark forest fright ghost limbs long exposure night park peaceful Sardinia scare scary seasons trees white wood brown climb climber cover feed grow growth ivy large leaves life living network root Roots sap stem trunk wall moon moonlight sky