beach contrast dark distance distant expanse golden golden glow light ocean ocean sunset outdoors outside reflections sand seashore shoreline sunset sunset’s glow tide water waves beam breakwater coast defence England english English Channel foam girder Great Britain groyne iron metal pounding rust rusty sea Sussex wall wood chalk cliff holidaymaker leisure nature promenade Seaford spectator tourist view cliffs coastline Cornish cornwall cove inlet natural rocks sandy sheltered shore spring wild bay hill low tide river bank island landmark landscape lighthouse low rock Swansea terrain The Mumbles tourism tourists wales welsh algae erode erosion face green kent rockpool seaweed sky stone