The sharpest part of this story is that it tears apart the illusion of "decent survival" and uses the simplest way - a group of invisible people trying to see each other - to complete the redefinition of dignity. When Chen Shi finally discovered that the history taught by his father throughout his life did not allow him to escape reality, but allowed him to identify an epic that belonged to ordinary people in the mud of reality, this story had the power to penetrate people's hearts.
