Chongqing. According to the query of "Leaves Back to Roots", Lao Zhao's deceased worker Liu's hometown is Chongqing, and "Leaves Back to Roots" is a comedy film produced, directed and co-written by Hong Kong Xinghao Entertainment Co., Ltd., starring Zhao Benshan, Song Dandan, Hu Jun and other actors. The film tells the story of Lao Zhao, a migrant worker, who painstakingly transported Liu's body back to his hometown after his friend Liu died.