Cornus display Dogwood flowers natural nature petals pink shrub spring tinged tree Cotswolds England english gray Great Britain grey old rock stone texture wall background delicate feathery fine grass head shiny silky thread branches fresh green leaf leaves oak Quercus close-up macro mirror reptile shell slide Slime slip slow snail surface animal armoured carapace egyptian protected protection secure security tortoise acid citrus fruit fruits Italy lemon lemons Padua pitted skin wrinkled yellow