"A dark, ruined cityscape, empty streets lined with crumbling buildings, broken windows, and debris scattered across the ground, the sky covered in thick ash."
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。