Yes, it's about the Great Wall. The Great Wall is one of the wonders of the world created by mankind! If you don't climb the Great Wall when you come to China, just as you don't visit the Tower when you come to Paris and the pyramids when you come to Egypt!

Yes, this is the Great Wall. The Great Wall in China is the greatest construction project in the history of human civilization. If you don't go to the Great Wall, you won't go to China, just like if you don't go to Paris to see Herta, how can you go to Egypt without looking at the pyramids?