寫實主義, 照片, 微距, 混凝土, 金屬

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A hyper-realistic close-up documentary photograph of severe chloride-induced corrosion damage on a reinforced concrete coastal structure, viewed from slightly below at the corner of a cantilevered beam or pier. The image shows a large spalled area at the outer corner where the concrete cover has broken away, exposing exactly 5 rusted horizontal reinforcing steel bars embedded inside the concrete. The surrounding concrete is rough, cracked, and chipped, with irregular broken edges and visible aggregate. Brown-orange rust staining runs downward from the exposed reinforcement and along the underside of the beam, indicating long-term salt damage. The concrete surface is light gray, weathered, and matte, with subtle pores and construction imperfections. In the background, place a calm blue sea and a pale blue sky with a faint distant shoreline near the horizon, softly out of focus, reinforcing the marine environment. Bright natural daylight, clear weather, realistic smartphone photo composition, no people, no tools, no safety barriers, no text, no labels, no illustration style, only a believable engineering-inspection photo of salt-damaged reinforced concrete at the seaside.