Windmill- clay renders and topology (W.I.P.)

This is a environment I modeled from a piece of concept art that was created by Lee Yongwoong.

Here is a link to the concept art that was used as reference:
https://www.artstation.com/artwork/A901y

Here is another link to a Pinterest board that shows other references that were used:
https://www.pinterest.com/zach9313/windmill-concept-piece-reference/

I am currently developing this model to be used in a real time engine.