Sora提示词："The flowing river in Yose

"The flowing river in Yosemite Valley, clear water glistening in the sunlight, surrounded by towering granite cliffs, trees swaying gently in the breeze. 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。"