architecture archway building cloisters Dorset England english facade Forde Abbey glass grass Great Britain lawn pillars portico stone tower window border fishpond floral garden peace pond water decorative elements fenestrated open ornate windows feature clipped driveway gardens green hedge plant road shrub topiary trees arch art birds ceiling medieval architecture nest pattern somerset swallows symmetry fountain highest lake liquid shoot sky spurt tallest tourist attraction ancient diamond mediaeval medieval mullion old panes rectangle wall arches brown column plaster vault artifact coat of arms crest historical relief sculpture shield