(HBO) - In the morning of January 27, within the framework of the activities before the opening ceremony of Kha Ha fesstival Muong ethnic minority in Hoa Binh province, a ritual of Mo worshiping the Land and the Earth takes place; competing in the qualifying round of folk games, ethnic sports and Sec Bua contest of 16 communes at the stadium of Phong Phu commune and the cultural house of Luy Ai hamlet, Phong Phu commune (Tan Lac).