But commercial films are not technically rigorous after all. 5 meters straight to 47 meters, even for OW, it is very easy to burst eardrums, not to mention two girls who have not received any training. Of course, if the eardrum bursts, it won't die. In the pain and panic, 100 qi can last for ten minutes. The behavior of the brothers on board is even more puzzling. Isn't the first priority not to throw the gas cylinder first? Nitrogen intoxication and decompression sickness have to step aside when they are almost out of breath. In addition, in the case of not wearing at least 5MM thick wetsuit, hypothermia will occur after staying at a depth of 47 meters for 10 minutes.
In the end, it turned out that everything that escaped successfully was an illusion.
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