After the founding of the People's Republic of China, there was no war. After decades of renovation and design, it gradually became a sanatorium for the older generation. I heard that this underground air-raid shelter was even excavated to resist the nuclear bomb attack of the United States Empire.

Because all the people who come here are real dignitaries, in order to ensure safety, all signals in the sanatorium are shielded and private calls with the outside world are forbidden. As a matter of fact, there are no signals on mobile phones.

Ye Miao did not speak, but quietly embraced the people in his arms, along a cobblestone road, between...