Ключевые слова: abandoned, absence, architecture, auditorium, back, back to school, backgrounds, bench, blackboard, chair, classroom, day, desk, domestic room, education, elementary school, empty, equipment, flooring, green color, high school, high school building, home office, in a row, indoors, inside of, learning, lecture hall, material, modern, no people, old, presentation, professor, school building, science, seat, seminar, sitting, student, studying, table, teacher, teaching, training class, vanishing point, wisdom, wood, working,