With his installation A Book from the Sky, Xu Bing intended to elicit a response by confronting viewers with traditional watercolor paintings that show only abstract images traditional watercolor paintings that show only abstract images A characters that resemble real text but have no actual meaning characters that resemble real text but have no actual meaning B hand-drawn calligraphy that conveys only repetitions of propagandistic messages hand-drawn calligraphy that conveys only repetitions of propagandistic messages C images appropriated from western media but printed in traditional Chinese woodcut