Video Tutorial:
Sculpt the landscape to suite your needs.
Made in version: Lumion 7.0 Pro.
See also:
Knowledge Base: How do you work with terrains?
Knowledge Base: How do you create a walkthrough video at eye level?
Knowledge Base: How do you remove the Lumion Terrain from a swimming pool?
Knowledge Base: How do you prevent models from moving while you edit the Lumion Terrain?