Okay, I’m going to be a little boringly technical here when I comment on this photograph.
The only processing that has been applied to this photograph is crop, resize and sharpen. It was taken with a toy, small-sensor camera at ISO400, yet noise is minimal.
The camera has a built-in mode where it takes six images of a scene and averages them to produce a single image… with much less noise than in any one of them.
Clearly this is not suitable for images of moving subjects, but for static(ish) subjects it does a remarkaly fine job!