The image shows an aerial view of an old, dilapidated concrete structure with a concrete floor. The structure appears to be a fort or a fortification, with several walls and a tower visible in the background. The sky is overcast and the water is visible on the right side of the image. In the distance, there are several boats on the water, suggesting that the structure is located near a harbor or a city. The image is taken from a high vantage point, looking down on the structure.