海岸湖泊泻湖和沙质连岛沙坝的航拍，塑造了河口平原。平静的浅水区遇上海沙洲，在岸边与开阔水域之间形成天

d footage captures coastal lake lagoon and sandy tombolo spit shaping river mouth plain. Surface movement, shoreline form, and water contrast give the frame clear natural structure. Height and wide coverage help separate patterns, routes, and textures without visual clutter. It works well for travel, geography, nature, and environmental storytelling.