The annual festival takes place on February 27-28 or the 12th and 13th days of the Lunar New Year. The Lim festival contributes to preserving the locality's traditional culture and promotes the images and tourism potential of Bac Ninh. Quan Ho is an art form that combines various artistic elements, including music, lyrics and costumes, and features the distinctive culture of people in the region formerly called Kinh Bac. The art of love duets was included in UNESCO's representative list of intangible cultural heritage in September 2009.