he festival is held annually to worship Mother Lang Thi Tieu, a mythical Hung Queen, who helped the king defeat invaders and taught the people how to grow rice and make handicrafts.
The festival at the Tay Thien complex offers an opportunity for visitors to experience the fresher air of the Tam Dao hills.
Tay Thien is considered a key centre for Vietnamese Buddhism. In the first month of 2016, Tay Thien attracted about 9,000 visitors.