The existing ancient tunnels are not built and used in one era because of their age, and their structures, widths and heights are different. The depth of the ancient tunnel from the surface is generally between 2 and 3 meters, and the deepest part is more than 6 meters. There are four forms of structure: civil structure, brick-soil structure, brick-wood structure and brick structure. There are several forms, such as single-lane road, parallel two-lane road, upper and lower two-storey road, interchange road and so on. Generally, the height in the tunnel is between 1.6m-2. 1m, and the width is between 0.6m and 0.9m. The corners in the tunnel are all T-shaped cross-connected, and the distance between two parallel lanes is about 2-3.5m, with a square communication hole in the middle. There are military facilities such as cat's ear cave, bunker, obstacle ticket, obstacle wall, tripping board and trap.
In recent years, during the excavation and maintenance of ancient tunnels, cultural relics from Han, Tang and Song dynasties have been unearthed, including iron knives, iron swords, projectiles, medals, bronze ornaments, nails, porcelain, chess pieces and coins, which are of great value to the study of China's ancient military architecture, military tactics and Cao Cao's military thoughts.
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Chen Tuan Temple: Chen Tuan (AD 87 1-989), whose real name was Fu Yaozi, was given the name of Mr. Yi Xi by Song Taizong, a native of Bozhou. A hermit in the late Tang and Five Dynasties. He has lived in seclusion in Wudang Mountain in Hubei, Chongqing in Sichuan and Huashan in Shaanxi. He converted to Xuanmen in his later years and was an outstanding philosopher, Yi-ology scholar and natural scientist in China. He enjoys high prestige in the history of China's thoughts and Taoism, and becomes the supreme Taoism after Laozi and Zhuangzi, and is called "Chen Tuan Laozi".
Chen Tuan's birthplace, Yi Xi's hometown, is Chen Jiaying Village on the south bank of Tanghe River in Qiaocheng District, Bozhou, Southern Song Dynasty. Later generations built a temple in the former residence in memory of Chen Tuan, and both the former residence and the temple were destroyed. In 2007, Bozhou municipal government invested in reconstruction. 20 10 was rated as "AAA-level tourist attractions" by the National Tourist Attractions Quality Rating Committee.
Chen Tuan Temple, the hometown of Yi Xi, is a temple shrine, a memorial hall of Chen Tuan and an important cultural tourist attraction. Chen Tuan's life, academic achievements and his contribution to China culture, philosophy and Taoism are the themes of his exhibition, which shows the Taoist culture cherished by Woshui and promotes the cultural spirit of China.
Cao Shi Family Tombs:
Bird Han Tomb is one of the tombs of Cao Shi family, located in the middle of Wei Wu Avenue in Qiaocheng District of Bozhou City, and is now a national key cultural relics protection unit. Bird Han Tomb is a multi-chamber tomb with a large brick structure, which was excavated in 1989. It consists of 1 1 tomb, including front chamber, middle chamber, back chamber and ear chamber, all of which are made of rope bricks. The tomb door is a stone structure, and the forehead, door frame and door leaf are decorated with stone carvings. Carve a dragon and tiger at the front door, which means to ward off evil spirits. Carve a wise waiter by the door frame of the south gate. Hui, broom also, "Records of the Emperor Taizu" contains "Tai Gong holds Hui Yingmen, but it is also possible". Holding back is a welcome ceremony to show respect for the guests. A waiter is carved on the north side of the door frame, and a servant respectfully holds a dowry box.
Most tombs are arched roofs, and a few are arched roofs. Graves are connected by arched vouchers. The tomb was stolen many times, and only jade pigs, pottery pots and other cultural relics were unearthed in the tomb.
These are historical sites!