Underground Lab "falling down"

So about a month or so back I featured a few drawings inspired by the Arty Games app by Jazza from Draw With Jazza on You Tube and Rob. I decided to try it out again and this time try a couple of environment challenges. When I saw that I had to draw something that's underground falling "down" I thought I'd have a bit of trouble but as soon as I came up with the lonely flower being responsible for the laboratory that is about to crumble, I was all set.