VOV.VN - Located in Central Vietnam, Ong Cop Bridge has become famous not for modern engineering, but for its unusual cycle of disappearing during flood season and being rebuilt by local residents every year.
VOV.VN - Several foreign media outlets have run stories highlighting the attractiveness of the Bach Long glass bridge in Son La province of Vietnam considered the longest of its kind in the world, when the bridge officially opened to public on April 30.
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