9/28/21
Building #7 - a flickering screen flashes 'ARC 3' and 'Initiated' in faded green.
9/21/21
A white light atop Tower 12 flashes four times and stays on. Clack. Clack. Click.
9/14/21
The thin silhouette of a person is visible halway up the ladder that climbs to the top of Tower 12.