industrial boiler flues, against the blue sky
Palabras clave
industrial,
sky,
blue,
boiler,
industry,
chimney,
factory,
metal,
steel,
pipe,
structure,
gas,
chemical,
energy,
environment,
plant,
technology,
oil,
pollution,
air,
environmental,
pipeline,
power,
tower,
building,
fuel,
production,
architecture,
engineering,
petrochemical
){kind=link}