"Reconnaissance" which is about a team of Space Explorers that were sent to explore a dangerous mission on planet BR-X753. They needed to gather samples and check for water, which involved working through sandstorms and unstable caverns.
All Terrains used here are from My Crater Desert and Sand Craters Packs you can find them on My Artstation Store:
4K Terrain Pack Volume 02
https://www.artstation.com/marketplace/p/oB56B/4k-terrain-heightmaps-pack-vol-02
4K Terrain Pack Volume 02
https://www.artstation.com/marketplace/p/krlRz/4k-terrain-heightmaps-pack-vol-03