The Distance of a City

In a prosperous metropolis, night falls and the lights are on. In an ordinary home, two old people were sitting at the dining table looking at their precious grandson Nian Nian. Nian Nian held his chin in his hands and looked at the cake in front of him with a sad face. He hoped that his parents could spend his birthday with him, but they didn't come until very late. At the same time, Nian Nian's parents were on their way back. They were sitting in the car complaining to each other. The mother complained that the father forgot the child's birthday, gave the child the same gift every year, and missed the appointment to go to the zoo. The father used busy work as an excuse. When they returned home at ten o'clock, the child had already fallen asleep. Adults are always walking in a hurry, and unknowingly they miss the moment when their children grow up, and...