Factory smokestacks at sunrise

1200 × 750

Factory with smokestacks emitting emissions

3552 × 2368

Industrial smoke at sunset

877 × 618

Factory at sunset

1600 × 1000

Factory smoke at sunset

1600 × 1200

Industrial Plant in Winter — Gray

3521 × 2347

Factory smoke at sunset

1680 × 1050

Foggy sunrise over mountains

1200 × 750

Factory smoke at sunset

1600 × 1200

Factory at night with smoke

1200 × 900

Factory smoke at sunset

1280 × 1024

Industrial Pollution in Winter

1600 × 1067