That’s a Gold Medal image.
A "commenters" at the vid link suggests reflections of a passing car or truck. Looking at it, it seems to me the comment is written more for deflection.
These window flashes come at a time when a crane is videod taking or putting something on the roof, and the concrete circle around not just the fountain, but most of the front lawn.
A simple sugar, Trehalose, is likely to help everyone infected with spike protein expansion.
https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7431788/