. . "Hanoi Opera House" . "Vietnam National Opera & Ballet" . . "1911-12-09" . . . . "7 June 1901" . . . . . . "Hanoi Opera House" . . "Grand Opera House" . "Nh\u00E0 h\u00E1t L\u1EDBn H\u00E0 N\u1ED9i" . . "34.0" . . . "Vietnam National Opera Ballet" . . "completed" . . . . . . . . . "Opera House" . . "598" .