swiss realism inspired sunset river painting for retrosplenial cortex camping poster

painterly sunset river forest swiss realism flat shading tim doyle uhd bold outlines colors whistlerian dmitry spiros retrosplenial cortex camping poster scenic view stream painting nature landscape art switzerland realistic outdoor retro style vibrant detailed artwork scenery inspired orange sunrise depicts valley showcasing beauty nature digital captures essence outdoors high-contrast dark cyan yellow tones portrays serene wilderness scene perfect landscapes generated