What Is The National Monument of Brunei?
Billionth Barrel Monument Is The National Monument of Brunei. The monument located in Seria, Brunei. The Billionth Barrel Monument was built in 1991. It was commemorated by Hassanal Bolkiah on 18 July 1991.
The monument commemorates the production of the billionth barrel of oil produced in the onshore oil field in Seria.