Where is the Niangniang Temple in Tunniangniang Temple in Yuan Wu, and which immortal is it dedicated to?

Niangniang Temple, located in the center of the temple, is dedicated to the goddess Dou En. Mother Dum is the legendary goddess who gave birth to the Big Dipper and the mother of the Big Dipper. The image of the goddess Doum is very strange. She has three eyes, four heads and eight arms on her forehead, four on the left and four on the right. The middle two arms are folded, and the other six arms hold the sun, the moon, the treasure bell, the golden seal, the horn and the golden halberd respectively.