Table of contents: Part One: 1 - Overview on the Ngan people in Vietnam Cao Bang Province. Brief ethnic history on the Ngan. Residential area. Cultural life. 2 - Traditional spiritual life of the Ngan. Concepts regarding the Universe. Traditional belief. The people that performing the PUT, TAO, MO. Some folk ceremonies / rituals relating to the human being life cycle. 3 – The process of looking for VIA. 4 – Some artistic forms and values of the VIA. Conclusion. Part Two: The procedures of the whole trip / journey of looking foreth VIA. Medical examination. Taboos. Hat begging. Horses & soldiers preparation. Preparation of meals & offerings. Entering the Tho Dia, Thai Tue, Ma Thuong, Pham Nhan, Diem La, Tam To, Huyen dan, Loi Mon, Kim Sung, Hoa Vuong. Waking an egg of VIA. Part Three: Some pieces of Mo calling the VIA of the Tay people.