Indeed, much of Dong's style has evolved out of a need for penny-pinching. When he has been able to get all the footage needed for a complete story, he has made documentaries.
可自成完整故事的，他就直接剪成紀錄片，不完整的，他就加拍劇情，再將紀錄片段剪入，形成他半紀錄半劇情的電影風格。