It's me asked these questions then deleted later assuming that there won't be a satisfying answer. My assumption was correct, there is nothing China offers to their visitors by reading your answer.
There are a ton of tourist attractions that can't be found anywhere except in China. I mean, what can you find in Italy that you could not get in the States? Pizza? Armani? Ice Cream? Fiat cars? You can get all this shit in the states. Strangely, shitloads of American heading to Italy every year.
Visit the Huangshan mountains: https://www.google.com/search?sca_esv=591566523&q=huangshan+...
Or Guilin Mountains: https://www.google.com/search?q=china+guilin+mountains&tbm=i...
Or the desert. The forbidden city. Summer palace. Clay soldiers in Xiamen....
But yes, you can see airports in Germany. Even airports they took 10 years to build (Berlin).