Using the idea of a lens, I decided to draft another thumnail. Not sure how the set up of the environment in this one works, but it's pretty rough sketch here, anyway.
Using the intensified light it self to heat the sand.
I created this simple tile to use on the walls in my next thumbnails and concept piece, inspired by their textiles. Their textiles features a lot of triangles, square, crosses, with clear lines. This textile is supposed to show that but in stone/mud.