Syria
That dark, grayish-blue patch in the center is highly likely to be a wetland sinkhole, a natural spring pool, or a localized marshy depression (often associated with water sources in arid or semi-arid environments). The distinct coloration comes from a combination of exposed surface water, saturated mud, and dense, moisture-loving vegetation (like reeds, moss, or algae) that contrasts sharply with the surrounding dry, yellowish grass and soil.
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