Sora提示词："The tranquil waters of

"The tranquil waters of Lake Tahoe at sunrise, soft ripples across the surface, surrounding pine trees reflected in the calm water, a soft mist hovering over the lake." 根据前面文字描述生成9:16竖屏视频，视频不要出现文字或人物，视频风格以治愈为主，配上简单的背景声音，可以是风声、海浪或鸟叫等自然声音或舒缓温暖的纯音乐。