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Hunan Xiangxi Aizhai Bridge is loacted in Aizhai town in the western Hunan province which is about 20 kilometers away from downtown of Jishou. The bridge is across the Aizhai grand canyon with 1176m main span, ranking third in the world and first in Asia, and is the key project of the national expressway network main line Baomao highway from Jishou to Chadong section.