Brücke, Stahlträger, Blauer Himmel
Palabras clave
heaven,
tower,
steel,
bridge,
construction,
metallic,
blue,
force,
electricity,
architecture,
structure,
pylon,
high,
electric,
industry,
building,
energy,
iron,
industrial,
stress,
technology,
cable,
engineering,
frame,
duct