Lugou Bridge is 266.5 meters long, 7.5 meters wide and 9.3 meters at its widest point. There are ten piers and * *11bridge opening. The whole bridge is a stone structure, and the key parts are connected by silver ingots and tenons. It is the longest ancient stone bridge in northern China. 1on July 7, 937, Japanese imperialism launched a full-scale war of aggression against China here. The defenders of China, the ancient city of Wanping, rose up to resist, which was called "Lugouqiao Incident" (also known as "July 7th Incident"). China's anti-Japanese troops fired the first shot of the all-round war of resistance at Lugouqiao.
Luding Bridge, also known as Tiesuo Bridge, is a masterpiece of ancient bridge architecture in China. Luding Bridge is located on the Dadu River in the west of Sichuan Province, China. According to legend, after Emperor Kangxi unified China, in order to strengthen cultural and economic exchanges between Sichuan and Tibet, he approved the construction of this bridge and made a royal sign at the bridge head. The bridgehead castles on both sides of Luding Bridge are ancient wooden structures of Han nationality, which are unique to China. The bridge was built in the forty-fourth year of Kangxi (1705) and the forty-fifth year of Kangxi (1706). Kangxi inscribed "Luding Bridge" and erected a monument at the bridge head. The bridge is103m long and 3m wide. 13 iron chains are fixed in the wells on both sides of the abutment, with 9 as bottom chains and 4 as handrails on both sides. * * * There are 12 164 iron rings interlocking, and the whole bridge is made of iron. The bridgehead on both sides of the Taiwan Strait is an ancient wooden structure, and its unique style is unique in China. Since the Qing Dynasty, this bridge has been an important passage and military hub for Sichuan to enter Tibet. On May 29th, 1935, the Long March of the Chinese Red Army of Workers and Peasants passed through here. Commandos led by 22 warriors braved the enemy's bullets and crawled on the iron cable bridge, destroying the guards at the bridge head in one fell swoop. 1935, the Chinese Red Army of Workers and Peasants "flew over the Luding Bridge" on the way to the Long March, which became an important historical commemoration of the China * * * Production Party. 196 1 year, Luding Bridge was announced by the people of China and the State Council as the first batch of national key cultural relics protection units, with two on the left and right sides, which are bridge railings, and nine on the bottom side by side, which are paved with wooden boards and are bridge decks. Each chain consists of 862 to 997 wrought iron hand iron rings, with a total weight of 265,438+0 tons. The bottom chain is covered with wooden boards, and the handrail and the bottom chain are connected by small chains, so that the 13 chain is integrated. It belongs to the national key cultural relics protection unit.