1) Your position of the sun is very weak, try to use an angle so you get some nice play with the shadows. Shadows make up half the image ( personal opinion )
Right now its behind your bulding and kinda "meh "
2) The sky itself could use a bird or two, maybe increase the exposure on it also.
3) You where a bit lazy on the grass, I presume you're using forest pro ( if not, buy it no regrets )forest pro has a feature so your grass doesn't overlap a certain area. Right now your grass its geometry is over your border. Also it could use some variation in height and color.
4) You're street needs a big texture map, or use blend materials to make the tiling less noticeable. It can be something simple as rotating on map at a 45° angle. It'l make a world of difference.
5) People, people are cool use some cutout people.
And last, play with contrast/exposure, right now the image feels kinda flat.
Hope this helped! :D
And for me personal : Where did you buy those bushes? I need a pair of those!
