北京“唐槐”“汉槐”竞风流遍布京城的古槐是北京的一大特色，所以人们一提起古都风貌总是说起：“古槐、紫藤、四合院”。它们是“活的文物”，是北京悠久历史的见证，也是北京灿烂文化的一部分。在我国古代，国槐是宫中必植之物，所以又有“宫愧”之称，如故宫武英殿断... Beijing “Huaihua”, “Huai” competing throughout the capital of the ancient Huai is a major feature of Beijing, so people always mention the ancient capital style always talked about: “Huai, wisteria, courtyard.” They are “living cultural relics,” testimony to the long history of Beijing and part of Beijing’s splendid culture. In ancient China, Sophora japonica is the plant will be planted, so there are “palace ashamed,” said the Imperial Palace, Wu Yingdian off ...