海岸沙丘复育：草本固沙与木栈道

Coastal dune restoration landscape, marram grass colonising rolling sand dunes in irregular clumps, a low weathered timber boardwalk on short posts winding across the dunes to keep visitors off the vegetation, sand-fence lines of split chestnut half buried, sea horizon beyond the dune crest, strong onshore wind bending the grass consistently in one direction, bright hazy coastal light, eye-level composition, 35mm lens, ultra photorealistic, 8K