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This is the same tunnel used during the ending with the nomads. There is a drop early on that requires Berserk cyberware and the superhero landing perk to survive unless you are on patch 6.1, in which case the Guts shotgun can be used to break the fall. There are also a few gaps to jump that require a high level of athletics and/or reflexes to get enough speed to clear.
Follows the same path used in this video
https://www.youtube.com/watch?v=X32wYsPE4Kw
but takes a more direct route getting out and completed during the day so things are a little easier to see.
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