Ключевые слова: arrangement, background, bright, chairs, classes, classroom, clean, college, colorful, contemporary, daytime, decor, design, educational, educational facility, empty, environment, facility, floor, fluorescent, furniture, grade, hall, indoor, institution, institutional, learning, lecture, lighting, modern, no people, nobody, orange, pattern, primary, quiet, reflection, room, school, secondary, seminar, sitting, spacious, teaching, university, vibrant, wall clock, windows, yellow,