徐州,古称彭城,至今已有四千余年的历史。自远古的彭城邑始,经数千年的历史沧桑,形成了城下城的世界奇观。 1938年5月间,在彭城路南奎河北岸挖防空洞时,先后在地底下发现两个城门遗址。两门东西相对,是地下城南门瓮城的一对耳门。它们的位置基本处于地面的“奎光门”之下。对照清同治《徐州府志》所绘府城图,地上城的四门都有瓮城, Xuzhou, the ancient name of Pengcheng, has been more than four thousand years of history. Since the ancient beginning of Pengcheng Yi, after thousands of years of vicissitudes of life, has formed the world wonders of the city. In May 1938, two dug gate sites were discovered under the ground when digging a hollow tunnel on the north bank of Nan Kui River in Pengcheng Road. Two things relative, is a pair of ear door underground city south gate Urn. Their location is basically in the ground under the “Kuanguang door.” Comparison of the Qing Tongzhi “Xuzhou Fu Zhi” map painted by the prefectural government, the four cities on the ground floor are Urn,