
Lang Zhizun is 31 years old. He worked as a nurse in Beijing before. But in 2019, he left his job and began a new job. What did he do?
After Lang’s grandfather died, he worried about old people. Many of them can’t move or care for themselves. Lang began to help old people in their home. Lang’s work is very important. In the past five years, Lang has helped over 5,000 old people.