Here is the original flicker image the RAW file fuji was taken from: Flicker image is from Feb 18th 2012.
Raw image EXIF shows Jan 25th 2012
Here is the comparison/ overlay,
Looks like the owner of the raw file added/removed snow to make it look like it’s taken on Jan 25th 2012, areas he touched to add/remove snow shows up on analysis.
like this, because they dont have same color/luminosity ranges, so they stand out as they are missing the gradient required to blend in.