Sustainable office building, green roofs, solar panels, wind turbines, rainwater harvesting systems, eco-friendly materials, natural ventilation systems, large windows, glass facades, minimal shading devices, clerestory windows, open floor plans, collaborative workspaces, energy-efficient lighting systems, occupancy sensors, smart HVAC controls, LED lighting, recycled materials, bamboo flooring, low-flow fixtures, gray water reuse systems, vertical gardens, living walls, urban skyscape views, clear blue sky, sunny day, soft natural lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion.