I did modeling (Maya), UVing (Maya), texturing (Substance Painter) and rendering (Iray in Substance Painter)
My submission for polycount 75th environment challenge. It took me 36 hours from start to finish.
For more details on the process: https://www.therookies.co/projects/34383
The original concept could be found here:
https://www.artstation.com/artwork/zO8rl6