first pictures:
I like the first picture a lot, I like tall buildings/mountains and how you guys have beams under platform for support, some games use no logic and explain it as to be "MAGIC" .Although the beams look a little thin.
I want to be able to push someone off that platform to their death(or into a batch of soft snow) haha.
2nd picture:
I have to say that that the snow on the roof tops may look better if the corner wasn't so round. Maybe adding some icicle hanging from the side of the building due to the sun melting the snow and freezing at night, some locations with a puddle of ice

(mostly under where there is icicles). This location looks like a good place to do PVP. God LOS issues which is good to lure/hide from players who are casters, if we can get on the roofs would be great for wars/range/magic users on the roofs while they gank enemies. And looks like giant totems around the city, more LOS issues if are are block-ables

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Overall I like it, (like a broken record) Cant wait to step my cyber foot in the game

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updated: I forgot to comment the trees. The trees looks great with snow on them. Will you make a texture as to some snow falling in the day times to represent snow melting?(near buildings/trees).