The entire work is CGI. I shaped the terrain using TyFlow and Gaea. I completed the scene in 3ds Max and rendered it with Corona.
OBJ (OBJ, filesize: 2 GB), MAX (Autodesk 3ds Max, filesize: 2 GB), VDB (VDB, filesize: 2 GB), FBX (Autodesk FBX, filesize: 2 GB)