The travelers who gathered at the headquarters in 1921 are basically the final (old) versions of the characters. Their characteristics should be that they know their past, but they don't know their future, so Noah doesn't know that he is going to be killed by his sister. .
The only exception is Agnes, Noah's sister, so far only a middle-aged version has appeared. If she is indeed Noah's sister, then she is 21 years young, 53 years middle-aged, so where is the 86-year old age? Now, if she was still a member of the Travelers Organization in 1986, there is no reason why she would not be at the headquarters, just like the young and middle-aged Noah was at the headquarters at the same time.
So, it is possible that she, like Noah, died in middle age. If she had been to '86, she might have known how she died.
Regarding the time machine, there was a great and logical design, but it was ruined in the end.
That is, whether it is a tunnel or a time machine, you can only go back to the same day 33 years ago or 33 years later. The result is that you have a time machine and no regret medicine, and you can't go back to the previous day to prevent yourself from making a certain pass. You can't go to the next day to see what your future self will do. If it could, it would be cluttered and absolutely brain-burning.
But Adam sent Jonah back to the day before his father committed suicide, which broke this setting and directly led to the appearance of two Jonas (youth version) of the same period at the same time. This is the first time in the whole play. appeared once.
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