现在的地理方位是用东、南、西、北来表示的,在古代则以“青龙”、“朱雀”、“白虎”、“玄武”四神来表示。南京的玄武湖,东晋初年被称为北湖“。玄武”在我国古代神话中,通常是指北方之神,其具体形象是龟的身上缠绕了一条蛇。因此,玄武湖实际上是北湖的意思。此外,唐朝长安的玄武门也是指北门。故“玄武”代表北方。“青龙”是东方之神,代表东方。《礼 The present geographical position is expressed by the east, south, west and north. In the ancient times, it was expressed as “Dragon”, “Suzaku”, “White Tiger” and “Xuanwu”. Xuanwu Lake in Nanjing, the early years of the Eastern Jin Dynasty is called the North Lake. “” Basaltic “in ancient Chinese mythology, usually refers to the god of the North, the specific image of the body is wrapped around a snake. Therefore, Xuanwu Lake is actually the meaning of the North Lake. In addition, the Tang Dynasty Changan’s Xuanwu Gate also refers to the north gate. Therefore, ”“ basaltic ”on behalf of the north. “Dragon” is the god of the East, on behalf of the East. "ceremony