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It doesn't look very good. None of the buildings have windows or details.
The snow seems to stack in odd straight up formations. It looks better when smooth and spread out.
The buildings look very odd with their design. It might work for interior, but I've never seen any buildings that look like that.
Bricks or wood or even metal would look better, although I don't see many that look like it. They are also very boxy.
Don't just use baseplates as your building ground. Things can look amazing when you extend off with smaller bricks for their base.
The tents are spammy. The billboard does not have a back. It is coloured the same on both sides.
The rails on the rooftops are oddly placed.
I think the fact that there is dirt everywhere looks bad, although most cubescape designs do it anyway. You never see pure cliffs of dirt.
They are generally made of stone or very steep grass.
The trees that are completely white look odd. Built trees would look better, and be more customizable.
The falling snow is bright white, even when it is night.
The doors are coloured the same as the walls they are near.
Overall it's better than average.
I think it would look nice with a few adjustments, although the things I pointed out bother me.