Chek'd 2020 hindsight/foresight.
The still gait/posture looks similar, but crossing legs while standing and talking isn't.
More of a twenties habit. Who else stands that way?
A current pic of that Ch11 stairwell today would go a long way to help solve things.
The woman is facing a row of kids it looks like.
Those aren't lights offset to the right of banister on top floor.
StanDev increasing? Flight logs? Boat logs?
Dig. Meme. Pray.