What changed in the room?

moved (dashed box = old place)

added

removed

looks different (flat / colour)

can't tell (not seen in both)

Evidence colours (per point)

still there (confirmed by other video)

seen through in 'after' (gone)

seen through in 'before' (new)

hidden behind something

never in view of the other video

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changes can't tell unchanged cameras

beforeafter

cut above

Changes

Can't tell

Seen in only one recording, so not reported as moved or removed.

Unchanged

Diagnostics

What the first video predicts each camera of the second video should see, vs what it saw.