Behind-the-scenes tidbits of finding people in the deep sea

1. At first, searching for a person in the deep sea was called searching for a corpse in the deep sea. Later, I moved the idea of searching for a husband in the deep sea, but in the end, I only changed it to the word' person', which not only refers to the protagonist Guo Dong, but also implies that another' corpse' was buried in the deep sea.

2. If the actors and crew want to complete the shooting task underwater, it goes without saying the danger, and they can't communicate in words underwater. Once the breathing mode is incorrect, dangerous events such as "nitrogen poisoning" described in the film may occur at any time. Guo Xiaodong has a psychological shadow on the sea, because he drowned when he was a child, especially in the deep sea, surrounded by dozens of meters of water, and he was very afraid of this space situation. However, as the first hero of the film, Guo Xiaodong had to learn to dive. Later, he was still in danger in a shooting. In the middle of his performance, he suddenly found that the oxygen mask was leaking. If not handled in time, I'm afraid there will be an accident in the deep sea.