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Your exposures are right on, so what you did was right.
I'm just saying as a long-time slide film user the number 2,000 for an ISO setting surprises me.
I'd automatically assumed the well-lit interiors of the buildings wouldn't need such a high ISO.
That fujifilm (negative film, I presume) can handle such a high number is testimonial to great progress on their part.
Not too long ago we would be stretching things using 1600 ISO- with B&W Tri-X film .