Chongqing Caiyuanba Yangtze River bridge (also known as the coral in Yangtze River bridge), is currently China's largest public transportation and city light rail dual-use large span arch bridge, the main span of 420 meters, is China's second large span arch bridge, steel structure, weighing 18000 tons. Construction of the bridge in the bearing no thrust arch, is a set of steel tube arch, steel box girder, steel girder bridge structure in the form of a variety of new scientific and technological achievements of modern bridge in a body, this structure is not only unique in China, but also has a unique position in the world of bridge. Caiyuanba Yangtze River bridge set three world first: steel box arch span of 420 meters, the world's first long; is the world's first highway railway dual-purpose bridge is the world's first city; the cable crane installation bridge. In addition, the construction of the bridge construction method is adopted in the domestic system of cable erection, bridge construction history to create the first three: Crane highest (202 meters), the largest span (420 m), lifting the most weight (420 tons).

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拍攝者： Wangh1975