make rocky river that flows under the bridge more realistic make the sky more realistic add birds dont do anything to the white areas add more trees behind the building further away keep it sunny fix structure on the bridge there should be gaps in it which u can see the river through make the mountains less snowy as its sunny take the misty bit in the 3rd floor out to look as realistic as the first two floors take fogged glass thing out of the 3rd floor as it looks enclosed