Transmission tower structure for television broadcasting built using steel frame and trusses with cloudy sky background and trees in the foreground. Digital telecommunication concept.
Wood truss roof structure and roof of an old house on demolition site with cloudy blue sky background.
Black steel frame structure of a large size billboard attached to the building with lighting system installed.
Hi-voltage power line on the blue sky
Steel tower of high voltage power lines with blue and cloudy sky background. For energy sources and future technology concept.
An observatory tower with slim and slender steel structure with cloudy sky background in black and white. Being on a higher ground have further perspectives concept.