Spacious open-plan office, abundant natural light, operable windows, clerestory windows, solar tubes, green walls, living roofs, bamboo flooring, reclaimed wood accents, energy-efficient systems, automatic blinds, wind catchers, solar chimneys, cross ventilation, stack effect, night purge ventilation, mixed-mode ventilation, internal courtyards, water features, lush greenery, calm ambiance, soft diffused lighting, 1/2 composition, subtle textures, realistic reflections.