Panoramic planetarium interior, integrating riverbank views, dome-shaped ceiling, starry night sky projection, gentle water flow sound effects, comfortable seating area with reclining chairs, wooden floor, natural stone walls, lush greenery, vines crawling up pillars, subtle ambient lighting, warm color tone, calm atmosphere, observers gazing up at the virtual stars, surrounded by simulated riverbank scenery, including weeping willows, blooming wildflowers, tranquil water reflection, soft mist effects.