Introduction to the East Palace: Also known as Guo Yugou and Phoenix Valley, it is the main valley among the four valleys in the Yuhua Palace Scenic Area. The valley is deep and green with pine trees. It is the location of the main palace, Yuhua Palace. The flat land in the ditch is wide open, and the waterfall cascading from the top of the cliff is called "water curtain", which is a great wonder of Yuhua Mountain.