beams bush bushland bushland-park cool cross-beams curved edge greenish mirrored open-lattice park passageway peaceful pergola pillars placid pond pool poolside posts reflection reflections rest restful sea-grass sea-weed seats shade shadows shelter stairs steps stone stone-pillars stonework strength strong sturdy sunlight timber tranquil trees vertical-posts walkway water waterside water’s edge ferns architecture art Ashton balustrade baroque building carving columns concert copper dome dramatic edwardian elevated elevation folly gallery grade granite hall hill historical imposing Lancaster landmark limestone majestic memorial monument one listed Palladian parkland Portland sculpture skyline staircase venue Williamson window windows