In Chinese mythology, Yang Jian, also known as Erlang Shen, was accompanied by his faithful dog, the legendary "Xiaotian Quan." Merging tradition with technology, a robot dog took the stage for the first time on Monday, performing alongside a Wu Opera troupe from Zhejiang Province, eastern China. Sharing the spotlight with mythological figures Nezha and Erlang Shen, the robotic canine made it difficult for the actors to keep straight faces. The troupe's chairman hopes blending robotics and tradi