Smokestacks Emitting Smoke — Orange

1600 × 978

Industrial pollution from aerial view

1542 × 1000

Industrial pollution at sunset

1224 × 816

Industrial pollution at sunset

1224 × 816

Industrial Pollution in Winter

1600 × 1067

Industrial Plant in Winter — Gray

3521 × 2347

Oil refinery flame

2807 × 4096

Factory smoke pollution

1280 × 1024

Factory smoke at sunset

1600 × 1200

Factory smoke at sunset

1680 × 1050

Factory smoke at sunset

1600 × 1200

Factory smoke at sunset

1280 × 1024