chemical refinery with large metallic structures smoke and cloudy sky at dusk

chemical refinery industrial metallic pipes tanks sky smoke factory engineering energy technology production industrialsite environment pollution factoryscape clouds steel refinerypipes processing factoryworkers oil gas petroleum machinery powerplant refineryoperation heavyindustry infrastructure manufacturing fuel pollutioncontrol automation transport energyproduction industrialdesign refineryindustry cityscape engineeringdesign outdoors power petrochemical fuelproduction worksite sustainability urban industryscape engineeringtools factorybuilding