Sustainable office building, green roof, solar panels, wind turbines, rainwater harvesting system, natural ventilation, large windows, minimal shading devices, double-glazed facade, low-e glass, LED lighting, occupancy sensors, smart HVAC system, radiant floor heating, recycled materials, bamboo flooring, living walls, urban forest surroundings, sunny day, soft diffused lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.