Cinematic 4K. Cloudy ravine. Snowy mountain in winter. High altitude time lapse. Snowy rocky mountains. Hazardous air movement. Storm clouds and snowy mountain pass. Timelapse video. High altitude mountain dangerous ravine chain ridge time lapse clouds movements blue cloudy sky snowy mountains landscape rocky mountain pass rock cumulus white snow ice iced winter interstices mount slope air warfare inclination blue incline gradient hillside gorge brow shoulder brae tendency bias slant declivity spring sunny day air roof of the world wind breeze flatus ice iced winter blow blast bevel UHD west east north pass south grey approaching highland landscape line lines 3840×2160.