corporate building, skyscraper, no entry sign, barred windows, security cameras, guards, dark atmosphere, ominous sky, warning signs, restricted area, high fence, barbed wire, concrete walls, surveillance, night time, floodlights, dramatic shadows, imposing structure, steel doors, danger, caution tape, urban setting, dystopian vibe, metallic textures, cold colors, wide-angle shot, high contrast lighting, tense mood, futuristic design, cyberpunk elements.