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The left side of the image is as it came out of the camera, a single image at "best exposure".
Not bad, but the right side of the image shows the richness available
when HDR techniques are empoyed.
This particular HDR image shows what happens
when poeple or other moving things
are involved.
Because 3 images were taken,
and the people
on the right were moving, there is some "ghosting" in the image.