In Wilmington, NC there is a local park with a small swamp, in the city. No trekking to get to these waters.

It’s not so ominous in the original picture. I cropped in and straightened the picture. The main adjustment was lowering the vibrancy to make it not so bright. I adjusted several of the colors and temp afterwards to get the look I wanted. I also increased the contrast and clarity and added a little vignette. The original:
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