Hai Boi Village Festival

Time: 4th to the 6th day of the first lunar month.
Place: Hai Boi Commune, Dong Anh District, Hanoi.
Objects of worship: Trieu Nguyen, Trieu Chính, Trieu Lenh.
Characteristics: Human chess, climbing up to the oil pillar, classical drama, hat trong quan, hat giao duyen or hat ong (boys and girls sing traditional love songs to express their love for each other): Two sides sing through a long thread that tie with a frogskin-covered pipe.