https://proudstars.blogspot.com/2016/02/revealed-on-canvas-van-goghs-dark.html
Revealed on canvas, Van Gogh's dark descent: X-rays show how two versions of The Bedroom painted a year apart document artist's deterioration into madness via his use of colour
What a difference an ear makes. If you were to look at these paintings by Vincent Van Gogh in a gallery today, they would look nearly identical. But X-rays have shown the two versions of Van Gogh's The Bedroom, painted one year apart, document how his state of mind had changed completely, with his descent from serenity to madness revealed by his use of colour.
