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The ice town

Authorities of my city are building the ice town each year to celebrate the new year.
They are building the ice town in a transparent area. In ice town is all from ice - fence, children slide, sculptures.

(The authorities in my city erect an ice town every year to celebrate the new year.  The ice town is erected in a visible area, and everything in it is made from ice:  the fence, children's slides, sculptures, etc.)

This year the main theme of ice town is universal mind. All sculptures in the ice town reveals the main theme. Need to be creative person , that would create a sculpture of ice.

(This year, the main theme of the ice town is the universal mind.  All sculptures in the ice town need to address this theme.  You have to be a creative person to make a sculpture from ice.)