Ключевые слова: architecture, berlin, bibliothek, book, books, building, buying, city, classicism, college, day, education, europe, facade, faculty, flea market, germany, historic, historical, history, humboldt university, juridical, knowledge, landmark, learning, library, looking at, market, old, outdoor, outside, people, person, reading, sculpture, second hand, selling, statue, store, street, student, study, summer, sunny, table, textbook, university, unter den linden, used, wisdom,