"The Saisiyat ethnic is the minimum of among the population of Taiwan aboriginal Formosan Aboriginal ethnic. Basi Da Ai is the meaning of ""dwarf spiritual sacrifices"". In addition to spiritual awe meaning, but also pray for the the Saisiyat ethnic weather the Harvest Festival. Basi Da Ai festival held once every two years, and every decade there is a big festival. Regardless of the size of the festival, all the Saisiyat will return home to participate the festivals no matter where they are. The Basi Da Ai three-day festival process is rather complex, mainly divided into the welcome the spirits, entertaining spirits, and sending the spirits. The Saisiyat express welcome public participation, but not playful mentality, with a solemn awe heart to participate in the ceremonies."