Zhang Zhen

In 1963, in a deep mountain valley in the far suburbs of Beijing, there was a village called Haitangyu. There was a farmer in the village who had two daughters. The elder daughter was named Jinyan and the younger daughter was named Jinling. Both were middle school graduates. Jin Yan works as a primary school teacher in the city. One day, she returned to the village on vacation and saw that the village had changed a lot. All the villagers were enthusiastically participating