England english Great Britain lancashire marshland nature plants reeds reserve Silverdale spring water elizabethan garden house kent manor mediaeval Sissinghurst Castle tower farm fence field green landscape meadow rural Surrey architecture Burrator dam Devon lake reservoir stone wall autumn fall forest trees view woodland gate Sussex winter wooden flowers fresh life lime tree bushes Calluna flora Frensham Common Frensham Great Pond heath heather heathland ling pink purple summer city cloud futuristic glass gold golden London modern sky urban window