It is our old friend Lu Dinghao who doesn't think about the bright appearance of visitors this week. He has been discovered by more people since he started "occasional practice". Like his nickname "Little Sun", he has a strong appeal. Many people are impressed by his steadfastness and seriousness in variety shows. In his life, he claims that he was a "skin child" since childhood. He sat on the mysterious time machine in the "junk warehouse" to see how he met his childhood self by chance