Recently, the topic of Master Tang and his three disciples printed on the 50-yuan banknote has become a hot topic among netizens. Following the discovery of a kowtowing cat on the 100-yuan banknote, another netizen revealed on Weibo that the image on the 50-yuan Renminbi hides the four characters from "Journey to the West". Some netizens expressed admiration for its delicacy, saying it shows great imagination, while others joked that one must be very idle to discover such a "secret"... Regarding the hidden mystery in the image on the 50-yuan Renminbi, experts explained that it is a cultural relic group, and it was just another coincidence...