photorealistic construction site scene around the existing steel frame building structure the steel construction must remain exactly as designed do not change geometry dimensions proportions position or orientation industrial steel portal frame building under construction with visible columns beams and bracing add realistic construction site elements such as a tower crane in the background scaffolding temporary supports safety fences and stacked steel profiles concrete foundation visible at ground level ground with mud sand and tire tracks a few construction workers wearing helmets and high visibility vests for scale natural daylight with slightly overcast sky realistic shadows reflections on painted steel global illumination photorealistic high detail professional architectural visualization 4k render
