realistic detailed photo rendered in octane 3d , of fully clothed kids in black mantles in clothes , performing an esoteric  ritual in a soviet adandoned hospital,  by Alex Grey, by Francis Bacon,  by  Ayami Kojima, Amano, Karol Bak, Greg Hildebrandt, and Mark Brooks ,  rich deep colors. Beksinski painting,  art by Takato Yamamoto.  masterpiece.  rendered in blender, ultra realistic, smooth shading, ultra detailed, high resolution, cinematic, unreal 6