man in devastated metropolis observing enigmatic circle on earth in post-apocalyptic

ruined city postapocalypse survivor destruction world wasteland apocalypse urban decay desolate dystopia abandoned aftermath catastrophic barren deserted devastation desolation disaster eerie gloomy isolation empty nuclear radiation ruin dystopian catastrophe times survival apocalyptic postnuclear waste ominous scorched tragedy buildings lone ruins postdisaster rubble dark bleak ai generative