How to make Porco Rossos Secret cave, Studio Ghibli Diorama

This is one of my favourite diorama projects. I used a lot of techniques, I hope my tricks and tips can help you with your next project :) My goal is to finish most of the signature Ghibli scenes, and this is my first step. I have already decided my next project, and I will hop on it soon. Stay tuned for my next project XD How to make black wash (5:14): Material that I used: (None of the product below was sponsored) Styrofoam block