“Perfect, just like that, hold the pose,” Xu Nian said, marveling at Mu Yanyu’s expertise: “It’s truly remarkable, as expected of you.” Under Mu Yanyu’s direction, Xu Nian struggled to strike one beautiful yet challenging pose after another. She managed to fulfill Mu Yanyu’s requests, thanks largely to her natural flexibility as a snake. Xu Nian mused that if Mu…