Therefore, it is logical to conclude that this description is a non-realistic section designed by the editor to echo and sublimate the theme, and then echo the old song "Looking Back Again".
As for, some people think that Wang Xiang had a heart attack on the bridge and died in the arms of his adopted son Wang Bei. The reason is: Finally learned that his son did not kill anyone, but died saving others, and he finally let go of his obsession for many years. He died after his wife and son.
Introduction to the finale of "The Long Season"
Wang Xiang finally figured out the cause of death of his son Wang Yang that had troubled him for most of his life. He was finally relieved because Shen Mo told him that Wang Yang did not kill anyone, nor was he killed by anyone, nor did he commit suicide.