The video shows a close-up of a pile of gray concrete tetrapods, which are used as coastal defense structures. The tetrapods are arranged in a haphazard manner, with some overlapping each other. The concrete appears to be weathered, with some areas showing signs of erosion. A rope is tied around one of the tetrapods, suggesting that they may be used for mooring or anchoring. The video does not contain any visible text or subtitles.