A citadel lies at the center of Vinh, a city in the Nghệ An Province of Vietnam. Initially constructed of clay in 1804, it was quickly reinforced with stone in 1831, taking on its hexagonal, star-shaped form inspired by style of French architect Vauban. Today, the citadel contains the Vinh City Stadium, Xo Viet Nghệ Tinh history museum, and other attractions.
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