This Supernatural fan-art might contain
quartier des affaires, le centre-ville, centre d'affaires, au centre-ville, coucher du soleil, lever de soleil, coucher de soleil, lever du soleil, rue, scène de ville, milieu urbain, ville, scène, urbain, cadre, and mise en scène de rue.
The torment that Dean endured in Hell (and 4 months is like 40 years there) changed him. At first everyone's happy to see Dean but it becomes obvious quickly that he's spiraling out of control. Dean had become the main villain of season 4.