As soon as Erge's "Blue Lotus" came out, it caused a stir in the West. Many Western readers have more in-depth understanding of China through this work, and even many foreign explorers who later came to China are affected by this comic. The idea of going to the mysterious China of the East has been developed. Until today, many readers have considered Blue Lotus to be the most successful work in the Tintin series of comics. More than two decades later, because of this strong Chinese complex, Erge once again created "Ding Ding in Tibet" with China as the background, and in the new story, he still takes Zhang as the main character of the story, continuing the previous story clue. As he expected, Ding Ding in Tibet was once again successful. It was reassuring to see that more than half a century later, Chinese painter Zhang Chongren and his long-time friends met in Belgium again. When two hands are held together, both young men have white hair, one has become a famous comic master, one has become a generation of sculptors. At the end of the story of "Blue Lotus", the scene of Zhang farewelling on the Huangpu River is always a complex that Erge can't cut off. How he hopes to swim on the Huangpu River and feel China...