Prior to 1 may: the Banner, pano 1 m x 8 m; 2, 2 m x 1 m; 3 m x 8 m around venues; Prior to 15 days: 1 m x 1.8 m Banner and 2, 5 m x 1 m on the streets of Hanoi; 15 days before the event: about events and sponsors on VOV daily rush hour traffic
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