Construction was difficult due to the constant rain.
Set with Photoshopped background to show VFX set in situ.
Sculpted rocks in foreground help sell the CG mountains that were to be put in later.
Original Hospital sketch. Built in Modo and then played with in Photoshop. Sometimes a nice photo realistic presentation can cause endless discussions of design details not yet finalized, so I use filters in Photoshop to roughen them up.
Actual final set.
Empty field before construction and then the same shot taken after set was completed.