Iwakuni (ēwäˈkōnē) [key], city (1990 pop. 109,530), Yamaguchi prefecture, SW Honshu, Japan, on the Aki Sea. The site of Iwakuni International Airport, the city contains petrochemical, paper, and metal machine-tool industries. The Kintai Bridge, built in 1673, is famous for providing residents with an escape route from floods.
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