Artists performing a show called Hao Khi Kinh Bac (Kinh Bac Historical Spirit) at the Bac Ninh Festival in northern city of Bac Ninh on Saturday. The show reflects local tradition, history and the development process. The festival includes various activities such as a folk singing festival, sport games, bonsai exhibition, photo exhibition and trade fair throughout last week. Organised every four years, it ends today.