The Rise of Skywalker ILM case study has been posted on the ILM website. It shows some more of the hard work done by the Art Department for Rise of Skywalker. Huge props to Stephan Zavala https://alpha-step.artstation.com/ for putting it together and to everyone who helped make it happen.
These were establishing shot ideas for Exegol. Kind of inspired by Ralph Mc Quarrie's designs for Coruscant but after it has been abandoned for 10,000 years.