lightweight structure in plain aluminum finish slighttly shiny soft ambient illumination fully diffused cloudy daylight rainy atmosphere outside overcast sky no direct sunlight almost shadowless lighting muted grey tones surfaces reflecting soft light concrete floor with subtle reflections polycarbonate doors and windows in thin aluminium steel frames polycarbonate softly glowing from diffuse exterior light almost opaque polycarbonate panels highly diffused translucent surface very visible polycarbonate cellular texture milky translucency all facades ribbed polycarbonate structure front wall made of galvanized steel panels with visible divisions lush greenery surrounding the structure misty valley landscape green mountains in the background