modernist exterior shot a modern architectural building with sleek vertical slats the exterior walls should be rendered in a smooth concrete finish with a light gray color the vertical panels should be painted in a light golden yellow the windows should have a clear glass finish with minimalistic black frames the stairs should be a polished black stone with subtle lighting fixtures along the steps for a contemporary look the atmosphere should be a cloudy overcast day creating a calm serene feeling with soft lighting that emphasizes the clean lines and sophisticated design of the building floor to ceiling windows on geoundfloorfacade architecture