There are the images of before, the images of after and the letters. The images of after come first, they stem from the same surveillance camera in Wuhan, empty streets that only throng with people again on April 4th, 2020.
| Directing | Zhu Shengze | Director |
| Editing | Zhu Shengze | Editor |
| Camera | Zhu Shengze | Director of Photography |
| Camera | Yang Zhengfan | Director of Photography |
| Production | Yang Zhengfan | Producer |
| Production | Zhu Shengze | Producer |
| Sound | Aymeric Dupas | Sound Re-Recording Mixer |