由湖南省长沙马王堆三号汉墓出的“守备图“是中国最早的军事地图。这幅帛地图用黑、红、蓝三色绘制,以红色标注了9支军队的驻地、指挥城堡、关塞、烽燧等,注记了居民地的户数、移民地并村情况和居地之间的里程。据分析,此图绘制于公元前一六八年以前,距今已有2100多年的历史。? The ”defensive map" by the Han Tombs of Mawangdui No. 3 in Changsha, Hunan Province is the earliest military map of China. This map of silk is drawn in black, red and blue, red with 9 military stations, command of citadel, customs, Feng Sui, etc., annotated the number of residents, the situation of immigrants and the village and the place of residence Mileage between. According to the analysis, this map was drawn before the year 168 BC and has a history of more than 2,100 years. ?