Introduction to Aobao: Aobao is Mongolian, meaning "pile". It is also translated as "brain bag" and "Obo", which means mounds of wood, stone and earth, which are artificially piled " Heap of stones," "mound of earth," or "heap of wood." It was originally a sign of roads and realms made of stones by people on the vast grasslands. Later, it gradually evolved into a symbol of offering sacrifices to mountain gods and road gods and praying for a good harvest and family happiness and peace.