We were thrilled to be part of the 18th-anniversary online carnival party for The Westward Journey Online II, the famous online game by NetEase Games. We were excited to be part of their 18th-anniversary online carnival party. We rebuilt the Tang Dynasty's capital Chang'an into a digital reality using XR real-time camera composition technology. To create the delicate CG scene of Chang'an city, we added a series of dynamic elements into Unreal Engine and thus immersed celebrities in a digital copy of the prosperous ancient Chinese capital.