an industrial complex at dusk, with smoke billowing from its tall chimneys, casting a dark plume against the dramatic sky

industrial complex dusk smoke billowing chimneys tall dark plume dramatic sky pollution factory manufacturing power steel smokecloud industry skyline silhouette overcast machinery smokestack emissions haze sunset metal infrastructure urban production fumes atmosphere twilight technology worksite construction industrialization clouds environment economy energy skyglow labor engineering architecture fuel transportation heat exhaust skybridge casting sky