"The ruins of an ancient stone castle, surrounded by barren land and dark skies, cracks running through the walls, fog creeping between the broken structures."
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，视频风格以压抑为主，画面色调以黑白灰为主，配上简单的背景声音，可以是比较压抑沉重的音乐，或者能表达空旷寂静的风声、树叶声等。